Close popup making it disapear from DOM and enable it

Close popup making it disapear from DOM and enable it - javascript

I've this button showing a popup made by html and css only, i want to make the popup disapear from DOM when i close it clicking on "delete from dom" button on the popup which is working, but i didn't find the opposite of "removeChild()" method to enable it once it is closed, i did try "appendChild()" which didn't worked for me. Thank you.
function del() {
var elem = document.querySelector('#popup1');
elem.parentNode.removeChild(elem);
}
h1 {
text-align: center;
font-family: Tahoma, Arial, sans-serif;
color: #06D85F;
margin: 80px 0;
}
.box {
width: 40%;
margin: 0 auto;
background: rgba(255,255,255,0.2);
padding: 35px;
border: 2px solid #fff;
border-radius: 20px/50px;
background-clip: padding-box;
text-align: center;
}
.button {
font-size: 1em;
padding: 10px;
color: #000;
border: 2px solid #06D85F;
border-radius: 20px/50px;
text-decoration: none;
cursor: pointer;
transition: all 0.3s ease-out;
}
.button:hover {
background: #06D85F;
}
.overlay {
position: fixed;
top: 0;
bottom: 0;
left: 0;
right: 0;
background: rgba(0, 0, 0, 0.7);
transition: opacity 500ms;
visibility: hidden;
opacity: 0;
}
.overlay:target {
visibility: visible;
opacity: 1;
}
.popup {
margin: 70px auto;
padding: 20px;
background: #fff;
border-radius: 5px;
width: 30%;
position: relative;
transition: all 5s ease-in-out;
}
.popup h2 {
margin-top: 0;
color: #333;
font-family: Tahoma, Arial, sans-serif;
}
.popup .close {
position: absolute;
top: 20px;
right: 30px;
transition: all 200ms;
font-size: 30px;
font-weight: bold;
text-decoration: none;
color: #333;
}
.popup .close:hover {
color: #06D85F;
}
.popup .content {
max-height: 30%;
overflow: auto;
}
#media screen and (max-width: 700px){
.box{
width: 70%;
}
.popup{
width: 70%;
}
}
<div class="box">
<a class="button" href="#popup1">Let me Pop up</a>
</div>
<div id="popup1" class="overlay">
<div class="popup">
<h2>Title</h2>
<a class="close" href="#">×</a>
<div class="content">
Text
<input type="submit" value="delete from dom" onclick=del() />
</div>
</div>
</div>

If you really want to delete the popup from the DOM, you have to keep a reference to it (in a variable).
You also have to save the parent (.parentNode obviously won't work while the element is removed and has no parent):
var elem = document.querySelector('#popup1');
var parent = elem.parentNode
function del() {
parent.removeChild(elem);
}
function add() {
parent.appendChild(elem)
}
h1 {
text-align: center;
font-family: Tahoma, Arial, sans-serif;
color: #06D85F;
margin: 80px 0;
}
.box {
width: 40%;
margin: 0 auto;
background: rgba(255,255,255,0.2);
padding: 35px;
border: 2px solid #fff;
border-radius: 20px/50px;
background-clip: padding-box;
text-align: center;
}
.button {
font-size: 1em;
padding: 10px;
color: #000;
border: 2px solid #06D85F;
border-radius: 20px/50px;
text-decoration: none;
cursor: pointer;
transition: all 0.3s ease-out;
}
.button:hover {
background: #06D85F;
}
.overlay {
position: fixed;
top: 0;
bottom: 0;
left: 0;
right: 0;
background: rgba(0, 0, 0, 0.7);
transition: opacity 500ms;
visibility: hidden;
opacity: 0;
}
.overlay:target {
visibility: visible;
opacity: 1;
}
.popup {
margin: 70px auto;
padding: 20px;
background: #fff;
border-radius: 5px;
width: 30%;
position: relative;
transition: all 5s ease-in-out;
}
.popup h2 {
margin-top: 0;
color: #333;
font-family: Tahoma, Arial, sans-serif;
}
.popup .close {
position: absolute;
top: 20px;
right: 30px;
transition: all 200ms;
font-size: 30px;
font-weight: bold;
text-decoration: none;
color: #333;
}
.popup .close:hover {
color: #06D85F;
}
.popup .content {
max-height: 30%;
overflow: auto;
}
#media screen and (max-width: 700px) {
.box {
width: 70%;
}
.popup {
width: 70%;
}
}
<div class="box">
<a class="button" href="#popup1" onclick="add()">Let me Pop up</a>
</div>
<div id="popup1" class="overlay">
<div class="popup">
<h2>Title</h2>
<a class="close" href="#">×</a>
<div class="content">
Text
<input type="submit" value="delete from dom" onclick="del()" />
</div>
</div>
</div>

Do you really want to delete it or just hide it? Here I use the route to hide it (just as you use the route to show it) by removing the hash part of the url window.location.href = '#'.
function del() {
window.location.href = '#'
}
h1 {
text-align: center;
font-family: Tahoma, Arial, sans-serif;
color: #06D85F;
margin: 80px 0;
}
.box {
width: 40%;
margin: 0 auto;
background: rgba(255,255,255,0.2);
padding: 35px;
border: 2px solid #fff;
border-radius: 20px/50px;
background-clip: padding-box;
text-align: center;
}
.button {
font-size: 1em;
padding: 10px;
color: #000;
border: 2px solid #06D85F;
border-radius: 20px/50px;
text-decoration: none;
cursor: pointer;
transition: all 0.3s ease-out;
}
.button:hover {
background: #06D85F;
}
.overlay {
position: fixed;
top: 0;
bottom: 0;
left: 0;
right: 0;
background: rgba(0, 0, 0, 0.7);
transition: opacity 500ms;
visibility: hidden;
opacity: 0;
}
.overlay:target {
visibility: visible;
opacity: 1;
}
.popup {
margin: 70px auto;
padding: 20px;
background: #fff;
border-radius: 5px;
width: 30%;
position: relative;
transition: all 5s ease-in-out;
}
.popup h2 {
margin-top: 0;
color: #333;
font-family: Tahoma, Arial, sans-serif;
}
.popup .close {
position: absolute;
top: 20px;
right: 30px;
transition: all 200ms;
font-size: 30px;
font-weight: bold;
text-decoration: none;
color: #333;
}
.popup .close:hover {
color: #06D85F;
}
.popup .content {
max-height: 30%;
overflow: auto;
}
#media screen and (max-width: 700px){
.box{
width: 70%;
}
.popup{
width: 70%;
}
}
<div class="box">
<a class="button" href="#popup1">Let me Pop up</a>
</div>
<div id="popup1" class="overlay">
<div class="popup">
<h2>Title</h2>
<a class="close" href="#">×</a>
<div class="content">
Text
<input type="submit" value="Hide Pop-Up" onclick=del() />
</div>
</div>
</div>

Related

Links in footer wont display inline

I'm trying to put some links in a footer next to each other, separated by the character "|". But I have a navbar whose styles interferes with the footer's links.
I need something like this :
This is my code (it doesn't display perfectly, but you get the gist):
#import url('https://fonts.googleapis.com/css2?family=Poppins:wght#200;300;400;500&display=swap');
* {
box-sizing: border-box;
scroll-behavior: smooth;
font-family: 'Poppins', sans-serif;
}
body {
/*background-color: #e0eafc;*/
background: linear-gradient( to right,#ff0000,#0000ff);
margin: 0;
}
p {
color:#ffffff;
font-size:20px;
padding: 10px;
}
.heading {
margin: 20px;
font-size: 50px;
text-align: center;
color: black;
}
a {
text-decoration: none;
}
.favcolorcontainer {
border: 2px solid black;
border-radius: 4px;
width: auto;
padding: 5px;
background: white;
display: inline-flex;
}
.colorpicker {
border:none;
background: white;
display: inline-flex;
}
.favcolor {
font-family: verdana;
margin-top: 3px;
}
.slideshow-container {
display: block;
width: 80%;
position: relative;
margin: 10px;
margin-left: auto;
margin-right: auto;
}
.mySlides {
display: none;
}
.prev, .next {
cursor: pointer;
position: absolute;
top: 50%;
width: auto;
margin-top: -22px;
padding: 16px;
color: white;
font-weight: bold;
font-size: 18px;
transition: 0.6s ease;
border-radius: 0 3px 3px 0;
user-select: none;
}
.next {
right: 0;
border-radius: 3px 0 0 3px;
}
.prev:hover, .next:hover {
background-color: #a6a6a650;
}
.slide-name {
color: #f2f2f2;
font-size: 15px;
padding: 8px 12px;
position: absolute;
bottom: 8px;
width: 100%;
text-align: center;
}
.slide-number {
color: #f2f2f2;
font-size: 12px;
padding: 8px 12px;
position: absolute;
top: 0;
}
.fade {
animation-name: fade;
animation-duration: 1.5s;
}
#keyframes fade {
from {opacity: .4}
to {opacity: 1}
}
.progress-bar {
width: 100%;
border: none;
border-radius: 100px;
background-color: #FFFFFF;
padding: 3px;
}
.progress-tag {
color: #DDDDDD;
margin-left: 10px;
}
.fill-html {
width: 75%;
background-color: #FA3200;
border-radius: 100px;
}
.fill-css {
width: 60%;
background-color: #0000C8;
border-radius: 100px;
}
.fill-js {
width: 10%;
background-color: #C80000;
border-radius: 100px;
}
.fill-php {
width: 3%;
background-color: #00C832;
border-radius: 100px;
}
.fill-rwpd {
width: 100%;
background-color: #450099;
border-radius: 100px;
}
#return {
display: none;
position: fixed;
bottom: 30px;
right: 35px;
z-index: 99;
border: none;
outline: none;
background-color: #0000d1;
color: white;
cursor: pointer;
border-radius: 100px;
font-size: 45px;
width: 60px;
height: 60px;
}
#return:hover {
background-color: #0101bb;
}
.progress-container {
padding: 10px;
}
.header-logo {
margin: 10px;
float: left;
}
.header {
background-color: #303030;
overflow: hidden;
width: 100%;
}
.desktop-nav {
float: right;
margin-right: 20px;
}
.desktop-nav a {
margin: 20px 30px 0 30px;
padding: 0 0 20px;
display: block;
color: white;
}
.desktop-nav a:hover {
color: #b4b4b4;
transition: 0.2s all ease;
}
.desktop-nav li {
float: left;
list-style: none;
}
.menu-button {
display: block;
margin: 15px;
font-size:25px;
cursor:pointer;
color:white
}
.menu-button:hover {
cursor: pointer;
}
.copyright {
color: #b4b4b4;
font-size: 15px;
}
footer {
background: #303030;
padding: 25px 0;
text-align: center;
bottom: 0;
width: 100%;
height: auto;
display: block;
}
.hyperlink {
display: inline-block;
position: relative;
color: #b4b4b4;
}
.hyperlink:after {
content: '';
position: absolute;
width: 100%;
transform: scaleX(0);
height: 2px;
bottom: 15px;
left: 0;
background-color: #b4b4b4;
transform-origin: bottom right;
transition: transform 0.25s ease-out;
}
.hyperlink:hover:after {
transform: scaleX(1);
transform-origin: bottom left;
}
.sidenav {
height: 100%;
width: 0;
position: fixed;
z-index: 1;
top: 0;
right: 0;
background-color: #111111;
overflow-x: hidden;
transition: 0.5s;
padding-top: 60px;
}
.sidenav .closebtn {
position: absolute;
top: 0;
right: 25px;
font-size: 35px;
margin-left: 50px;
}
.recipe-container {
margin: 0px;
padding: 10px;
display: grid;
grid-template-columns: auto auto auto;
justify-content: center;
}
.recipe-window {
margin: 10px;
padding: 10px;
border: 1px solid #ffffff;
background-color: #ffffff;
word-break: break-word;
width: min-content;
border-radius: 10px;
}
.recipe-title {
color: black;
margin-top: 5px;
padding: 0px;
font-size: 25px;
}
:root {
color-scheme: dark;
}
<html>
<head>
<title>Home</title>
<link rel="icon" type="image/x-icon" href="https://imgur.com/dFEoiLv">
<link rel="stylesheet" href="main.css">
<link href="https://fonts.googleapis.com/css?family=Poppins" rel="stylesheet">
</head>
<body>
<div class="header">
<img src="https://imgur.com/JntIYPP" width="150px" title="Aeron" alt="logo" class="header-logo">
<ul class="desktop-nav">
<li>Home</li>
<li>Portfolio</li>
<li>Contact</li>
<li>Demo</li>
<li>Recipes</li>
<li>Progress</li>
<li>PC Setup Designer</li>
<li>Gallery</li>
<li><span class="menu-button" onclick="openNav()">☰</span></li>
</ul>
<div id="mySidenav" class="sidenav">
×
</div>
</div>
<h1 class="heading">Welcome to Aeron</h1>
<div style="height:100%"></div>
<footer>
<img src="./images/logo.png" width="150px" title="Aeron" alt="logo" class="footer-logo">
<p class="copyright">Copyright © 2022 Aeron Corporation</p>
About Us
<p>|</p>
Policy
<p>|</p>
Contact Us
</footer>
<button onclick="topFunction()" id="return" title="Return To Top">^</button>
<script>
let mybutton = document.getElementById("return");
window.onscroll = function() {scrollFunction()};
function scrollFunction() {
if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
mybutton.style.display = "block";
} else {
mybutton.style.display = "none";
}
}
function topFunction() {
document.body.scrollTop = 0;
}
function openNav() {
document.getElementById("mySidenav").style.width = "25%";
}
function closeNav() {
document.getElementById("mySidenav").style.width = "0";
}
</script>
</body>
</html>
As you can see the links aren't displaying inline. How can I fix this?

Wrap the links in a div with a class (I gave it footer-links) and give it the following styles:
.footer-links {
display: flex;
justify-content: center;
align-items: center;
}
#import url('https://fonts.googleapis.com/css2?family=Poppins:wght#200;300;400;500&display=swap');
* {
box-sizing: border-box;
scroll-behavior: smooth;
font-family: 'Poppins', sans-serif;
}
body {
/*background-color: #e0eafc;*/
background: linear-gradient( to right,#ff0000,#0000ff);
margin: 0;
}
p {
color:#ffffff;
font-size:20px;
padding: 10px;
}
.heading {
margin: 20px;
font-size: 50px;
text-align: center;
color: black;
}
a {
text-decoration: none;
}
.favcolorcontainer {
border: 2px solid black;
border-radius: 4px;
width: auto;
padding: 5px;
background: white;
display: inline-flex;
}
.colorpicker {
border:none;
background: white;
display: inline-flex;
}
.favcolor {
font-family: verdana;
margin-top: 3px;
}
.slideshow-container {
display: block;
width: 80%;
position: relative;
margin: 10px;
margin-left: auto;
margin-right: auto;
}
.mySlides {
display: none;
}
.prev, .next {
cursor: pointer;
position: absolute;
top: 50%;
width: auto;
margin-top: -22px;
padding: 16px;
color: white;
font-weight: bold;
font-size: 18px;
transition: 0.6s ease;
border-radius: 0 3px 3px 0;
user-select: none;
}
.next {
right: 0;
border-radius: 3px 0 0 3px;
}
.prev:hover, .next:hover {
background-color: #a6a6a650;
}
.slide-name {
color: #f2f2f2;
font-size: 15px;
padding: 8px 12px;
position: absolute;
bottom: 8px;
width: 100%;
text-align: center;
}
.slide-number {
color: #f2f2f2;
font-size: 12px;
padding: 8px 12px;
position: absolute;
top: 0;
}
.fade {
animation-name: fade;
animation-duration: 1.5s;
}
#keyframes fade {
from {opacity: .4}
to {opacity: 1}
}
.progress-bar {
width: 100%;
border: none;
border-radius: 100px;
background-color: #FFFFFF;
padding: 3px;
}
.progress-tag {
color: #DDDDDD;
margin-left: 10px;
}
.fill-html {
width: 75%;
background-color: #FA3200;
border-radius: 100px;
}
.fill-css {
width: 60%;
background-color: #0000C8;
border-radius: 100px;
}
.fill-js {
width: 10%;
background-color: #C80000;
border-radius: 100px;
}
.fill-php {
width: 3%;
background-color: #00C832;
border-radius: 100px;
}
.fill-rwpd {
width: 100%;
background-color: #450099;
border-radius: 100px;
}
#return {
display: none;
position: fixed;
bottom: 30px;
right: 35px;
z-index: 99;
border: none;
outline: none;
background-color: #0000d1;
color: white;
cursor: pointer;
border-radius: 100px;
font-size: 45px;
width: 60px;
height: 60px;
}
#return:hover {
background-color: #0101bb;
}
.progress-container {
padding: 10px;
}
.header-logo {
margin: 10px;
float: left;
}
.header {
background-color: #303030;
overflow: hidden;
width: 100%;
}
.desktop-nav {
float: right;
margin-right: 20px;
}
.desktop-nav a {
margin: 20px 30px 0 30px;
padding: 0 0 20px;
display: block;
color: white;
}
.desktop-nav a:hover {
color: #b4b4b4;
transition: 0.2s all ease;
}
.desktop-nav li {
float: left;
list-style: none;
}
.menu-button {
display: block;
margin: 15px;
font-size:25px;
cursor:pointer;
color:white
}
.menu-button:hover {
cursor: pointer;
}
.copyright {
color: #b4b4b4;
font-size: 15px;
}
footer {
background: #303030;
padding: 25px 0;
text-align: center;
bottom: 0;
width: 100%;
height: auto;
display: block;
}
.hyperlink {
display: inline-block;
position: relative;
color: #b4b4b4;
}
.hyperlink:after {
content: '';
position: absolute;
width: 100%;
transform: scaleX(0);
height: 2px;
bottom: 15px;
left: 0;
background-color: #b4b4b4;
transform-origin: bottom right;
transition: transform 0.25s ease-out;
}
.hyperlink:hover:after {
transform: scaleX(1);
transform-origin: bottom left;
}
.sidenav {
height: 100%;
width: 0;
position: fixed;
z-index: 1;
top: 0;
right: 0;
background-color: #111111;
overflow-x: hidden;
transition: 0.5s;
padding-top: 60px;
}
.sidenav .closebtn {
position: absolute;
top: 0;
right: 25px;
font-size: 35px;
margin-left: 50px;
}
.recipe-container {
margin: 0px;
padding: 10px;
display: grid;
grid-template-columns: auto auto auto;
justify-content: center;
}
.recipe-window {
margin: 10px;
padding: 10px;
border: 1px solid #ffffff;
background-color: #ffffff;
word-break: break-word;
width: min-content;
border-radius: 10px;
}
.recipe-title {
color: black;
margin-top: 5px;
padding: 0px;
font-size: 25px;
}
:root {
color-scheme: dark;
}
.footer-links {
display: flex;
justify-content: center;
align-items: center;
}
.footer-links p {
margin: 0;
}
<html>
<head>
<title>Home</title>
<link rel="icon" type="image/x-icon" href="https://imgur.com/dFEoiLv">
<link rel="stylesheet" href="main.css">
<link href="https://fonts.googleapis.com/css?family=Poppins" rel="stylesheet">
</head>
<body>
<div class="header">
<img src="https://imgur.com/JntIYPP" width="150px" title="Aeron" alt="logo" class="header-logo">
<ul class="desktop-nav">
<li>Home</li>
<li>Portfolio</li>
<li>Contact</li>
<li>Demo</li>
<li>Recipes</li>
<li>Progress</li>
<li>PC Setup Designer</li>
<li>Gallery</li>
<li><span class="menu-button" onclick="openNav()">☰</span></li>
</ul>
<div id="mySidenav" class="sidenav">
×
</div>
</div>
<h1 class="heading">Welcome to Aeron</h1>
<div style="height:100%"></div>
<footer>
<img src="./images/logo.png" width="150px" title="Aeron" alt="logo" class="footer-logo">
<p class="copyright">Copyright © 2022 Aeron Corporation</p>
<div class="footer-links">
About Us
<p>|</p>
Policy
<p>|</p>
Contact Us
</div>
</footer>
<button onclick="topFunction()" id="return" title="Return To Top">^</button>
<script>
let mybutton = document.getElementById("return");
window.onscroll = function() {scrollFunction()};
function scrollFunction() {
if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
mybutton.style.display = "block";
} else {
mybutton.style.display = "none";
}
}
function topFunction() {
document.body.scrollTop = 0;
}
function openNav() {
document.getElementById("mySidenav").style.width = "25%";
}
function closeNav() {
document.getElementById("mySidenav").style.width = "0";
}
</script>
</body>
</html>

Why doesn`t work my popup, although I connect Js?

Yesterday I made a popup in Html, Css and JS but it didn`t work.
Javascript is connected with the Html file, the button can you see on the header everytime, but I`ll that when I click on the button "Codes" that a popup open...
In a other project from me the popup works with the same code...
What shall I do that it works? Or what is the mistake in the code?
function togglePopup() {
document.getElementById("popup").classList.toggle("active");
}
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 30px 10%;
background-color: #24252a;
}
.logo {
cursor: pointer;
}
.nav__links a,
.cta,
.overlay__content a {
font-family: "Montserrat", sans-serif;
font-weight: 500;
color: #edf0f1;
text-decoration: none;
}
.nav__links {
list-style: none;
display: flex;
}
.nav__links li {
padding: 0px 20px;
}
.nav__links li a {
transition: color 0.3s ease 0s;
}
.nav__links li a:hover {
color: #0088a9;
}
.cta {
padding: 9px 25px;
background-color: rgba(0, 136, 169, 1);
border: none;
border-radius: 50px;
cursor: pointer;
transition: background-color 0.3s ease 0s;
}
.cta:hover {
background-color: rgba(0, 136, 169, 0.8);
}
/* Mobile Nav */
.menu {
display: none;
}
.overlay {
height: 100%;
width: 0;
position: fixed;
z-index: 1;
left: 0;
top: 0;
background-color: #24252a;
overflow-x: hidden;
transition: width 0.5s ease 0s;
}
.overlay--active {
width: 100%;
}
.overlay__content {
display: flex;
height: 100%;
flex-direction: column;
align-items: center;
justify-content: center;
}
.overlay a {
padding: 15px;
font-size: 36px;
display: block;
transition: color 0.3s ease 0s;
}
.overlay a:hover,
.overlay a:focus {
color: #0088a9;
}
.overlay .close {
position: absolute;
top: 20px;
right: 45px;
font-size: 60px;
color: #edf0f1;
}
#media screen and (max-height: 450px) {
.overlay a {
font-size: 20px;
}
.overlay .close {
font-size: 40px;
top: 15px;
right: 35px;
}
}
#media only screen and (max-width: 800px) {
.nav__links,
.cta {
display: none;
}
.menu {
display: initial;
}
}
.togglebutton {
border-color: #0088a9;
}
#pop-up {
position: fixed;
top: 0;
left: 0;
z-index: 999;
width: 100vw;
height: 100vh;
background: rgba(0, 0, 0, 0.8);
visibility: hidden;
opacity: 0;
transition: opacity 0.2s;
}
#pop-up.open {
visibility: visible;
opacity: 1;
}
#pop-box {
position: relative;
max-width: 400px;
background: #fff;
margin: 50vh auto 0 auto;
transform: translateY(-50%);
}
#pop-title {
padding: 10px;
margin: 0;
background: #921515;
color: #fff;
}
#pop-text {
padding: 10px;
margin: 0;
background: #fff;
color: #555;
}
#pop-close {
position: absolute;
top: 0;
right: 5px;
padding: 5px;
color: #ffdcdc;
font-size: 32px;
cursor: pointer;
}
<link href="https://fonts.googleapis.com/css?family=Montserrat:500&display=swap" rel="stylesheet">
<header>
<a class="logo" href="#"><img src="LogoGro.png" height="80" width="300" alt="logo"></a>
<nav>
<ul class="nav__links">
<button>Skins</button>
<button onclick="togglePopup()">Codes</button>
<li>Download</li>
</ul>
<div class="popup" id="popup">
<div class="overlay"></div>
<div class="content">
<div class="close-btn" onclick="togglePopup()">×</div>
<h1>title</h1>
</div>
</div>
</nav>
<a class="cta" href="https://discord.gg/7S4FaYEw">Discord Server</a>
</header>
<main>
</main>

Your id is misspelled. popup <-> pop-up
You should add open not active in js toggle function.
function togglePopup() {
document.getElementById("popup").classList.toggle("open");
}
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 30px 10%;
background-color: #24252a;
}
.logo {
cursor: pointer;
}
.nav__links a,
.cta,
.overlay__content a {
font-family: "Montserrat", sans-serif;
font-weight: 500;
color: #edf0f1;
text-decoration: none;
}
.nav__links {
list-style: none;
display: flex;
}
.nav__links li {
padding: 0px 20px;
}
.nav__links li a {
transition: color 0.3s ease 0s;
}
.nav__links li a:hover {
color: #0088a9;
}
.cta {
padding: 9px 25px;
background-color: rgba(0, 136, 169, 1);
border: none;
border-radius: 50px;
cursor: pointer;
transition: background-color 0.3s ease 0s;
}
.cta:hover {
background-color: rgba(0, 136, 169, 0.8);
}
/* Mobile Nav */
.menu {
display: none;
}
.overlay {
height: 100%;
width: 0;
position: fixed;
z-index: 1;
left: 0;
top: 0;
background-color: #24252a;
overflow-x: hidden;
transition: width 0.5s ease 0s;
}
.overlay--active {
width: 100%;
}
.overlay__content {
display: flex;
height: 100%;
flex-direction: column;
align-items: center;
justify-content: center;
}
.overlay a {
padding: 15px;
font-size: 36px;
display: block;
transition: color 0.3s ease 0s;
}
.overlay a:hover,
.overlay a:focus {
color: #0088a9;
}
.overlay .close {
position: absolute;
top: 20px;
right: 45px;
font-size: 60px;
color: #edf0f1;
}
#media screen and (max-height: 450px) {
.overlay a {
font-size: 20px;
}
.overlay .close {
font-size: 40px;
top: 15px;
right: 35px;
}
}
#media only screen and (max-width: 800px) {
.nav__links,
.cta {
display: none;
}
.menu {
display: initial;
}
}
.togglebutton {
border-color: #0088a9;
}
#popup {
position: fixed;
top: 0;
left: 0;
bottom: 0;
right: 0;
z-index: 999;
width: 100vw;
height: 100vh;
visibility: hidden;
opacity: 0;
background: rgba(255, 255, 255, 0.8);
transition: opacity 0.2s;
}
#popup.open {
visibility: visible;
opacity: 1;
}
#pop-box {
position: relative;
max-width: 400px;
background: #fff;
margin: 50vh auto 0 auto;
transform: translateY(-50%);
}
#pop-title {
padding: 10px;
margin: 0;
background: #921515;
color: #fff;
}
#pop-text {
padding: 10px;
margin: 0;
background: #fff;
color: #555;
}
#pop-close {
position: absolute;
top: 0;
right: 5px;
padding: 5px;
color: #ffdcdc;
font-size: 32px;
cursor: pointer;
}
<link href="https://fonts.googleapis.com/css?family=Montserrat:500&display=swap" rel="stylesheet">
<header>
<a class="logo" href="#"><img src="LogoGro.png" height="80" width="300" alt="logo"></a>
<nav>
<ul class="nav__links">
<button>Skins</button>
<button onclick="togglePopup()">Codes</button>
<li>Download</li>
</ul>
<div class="popup active" id="popup">
<div class="overlay"></div>
<div class="content">
<div class="close-btn" onclick="togglePopup()">×</div>
<h1>title</h1>
</div>
</div>
</nav>
<a class="cta" href="https://discord.gg/7S4FaYEw">Discord Server</a>
</header>
<main>
</main>

First and foremost your id attribute is "popup" and in your CSS rules is "pop-up".
Then in your CSS rules, you use the class "open" to show the popup, but in the JS you use "active".
So to work properly you should change the following:
function togglePopup() {
document.getElementById("popup").classList.toggle("open");
}
Then change:
<div class="popup" id="pop-up">
<div class="overlay"></div>
<div class="content">
<div class="close-btn" onclick="togglePopup()">×</div>
<h1>title</h1>
</div>
</div>

Why is my automatic chatbox not showing up?

So when i click "chat with us", the full chat box must appear but it doesn't. The console announces mistake as:'Uncaught TypeError: Cannot read property 'style' of null
at HTMLButtonElement. '
Anything wrong with my codes? somebody can help me? Thank you so much!
This is my html:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Snake</title>
<link rel="stylesheet" href="chat.css">
<script src="https://kit.fontawesome.com/48a972c999.js" crossorigin="anonymous"></script>
</head>
<body>
<div class="chat-bar-collapsible">
<button id="chat-bar-button" type="button" class="collapsible">Chat With Us!
<i id="chat-icon" style="color: #fff;" class="fas fa-fw fa-comment-o"></i>
</button>
</div>
<div class="content">
<div class="full-chat-block">
<!--Mesage Container-->
<div class="outer-container">
<div class="container">
<!--Messages-->
<div id="chatbox">
<h5 id="chat-timestamp"></h5>
<p id="botStarterMessages " class="botText"><span>loading...</span></p>
</div>
<!--User Input Box-->
<div class="chat-bar-input-block">
<div id="user-input">
<input type="text" id="textInput" class="input-box" placeholder="Tap 'enter' to send a mesage" />
<p></p>
</div>
<div class="chat-bar-icons">
</div>
</div>
</div>
</div>
</div>
</div>
<script src="script.js"></script>
</body>
</html>
</html>
This is my css:
.chat-bar-collapsible {
position: fixed;
bottom: 0;
right: 50px;
box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
}
.collapsible {
background-color: rgb(82, 151, 255);
color: white;
cursor: pointer;
padding: 18px;
width: 350px;
text-align: left;
outline: none;
font-size: 18px;
border-radius: 10px 10px 0px 0px;
border: 3px solid white;
border-bottom: none;
}
.content {
max-height: 0;
overflow: hidden;
transition: max-height 0.2s ease-out;
background-color: #f1f1f1;
}
.full-chat-block {
width: 350px;
background: white;
text-align: center;
overflow: auto;
scrollbar-width: none;
height: max-content;
transition: max-height 0.2s ease-out;
}
.outer-container {
min-height: 500px;
bottom: 0%;
position: relative;
}
.chat-container {
max-height: 500px;
width: 100%;
position: absolute;
bottom: 0;
left: 0;
scroll-behavior: smooth;
hyphens: auto;
}
.chat-container::-webkit-scrollbar {
display: none;
}
.chat-bar-input-block {
display: flex;
float: left;
box-sizing: border-box;
justify-content: space-between;
width: 100%;
align-items: center;
background-color: rgb(235, 235, 235);
border-radius: 10px 10px 0px 0px;
padding: 10px 0px 10px 10px;
}
.chat-bar-icons {
display: flex;
justify-content: space-evenly;
box-sizing: border-box;
width: 25%;
float: right;
font-size: 20px;
}
#chat-icon:hover {
opacity: .7;
}
/* Chat bubbles */
#userInput {
width: 75%;
}
.input-box {
float: left;
border: none;
box-sizing: border-box;
width: 100%;
border-radius: 10px;
padding: 10px;
font-size: 16px;
color: #000;
background-color: white;
outline: none
}
.userText {
color: white;
font-family: Helvetica;
font-size: 16px;
font-weight: normal;
text-align: right;
clear: both;
}
.userText span {
line-height: 1.5em;
display: inline-block;
background: #5ca6fa;
padding: 10px;
border-radius: 8px;
border-bottom-right-radius: 2px;
max-width: 80%;
margin-right: 10px;
animation: floatup .5s forwards
}
.botText {
color: #000;
font-family: Helvetica;
font-weight: normal;
font-size: 16px;
text-align: left;
}
.botText span {
line-height: 1.5em;
display: inline-block;
background: #e0e0e0;
padding: 10px;
border-radius: 8px;
border-bottom-left-radius: 2px;
max-width: 80%;
margin-left: 10px;
animation: floatup .5s forwards
}
#keyframes floatup {
from {
transform: translateY(14px);
opacity: .0;
}
to {
transform: translateY(0px);
opacity: 1;
}
}
#media screen and (max-width:600px) {
.full-chat-block {
width: 100%;
border-radius: 0px;
}
.chat-bar-collapsible {
position: fixed;
bottom: 0;
right: 0;
width: 100%;
}
.collapsible {
width: 100%;
border: 0px;
border-top: 3px solid white;
border-radius: 0px;
}
}
This is my JS:
var coll = document.getElementsByClassName('collapsible')
for (let i = 0; i < coll.length; i++) {
coll[i].addEventListener('click', function() {
this.classList.toggle('active')
var content = this.nextElementSibling
if (content.style.maxHeight) {
content.style.maxHeight = null
} else {
content.style.maxHeight = content.scrollHeight + "px"
}
})
}

Using .nextSibling will look directly for the next child element under your parent div. Since this refers to your button inside of chat-bar-collapsible there are no more child elements that are adjacent to your button element under the char-bar-collapsible div. You need to walk up to the parent element using .parentNode, and then access the adjacent content div from that using .nextElementSibling:
var content = this.parentNode.nextElementSibling;
var coll = document.getElementsByClassName('collapsible');
for (let i = 0; i < coll.length; i++) {
coll[i].addEventListener('click', function() {
this.classList.toggle('active');
var content = this.parentNode.nextElementSibling;
if (content.style.maxHeight) {
content.style.maxHeight = null
} else {
content.style.maxHeight = content.scrollHeight + "px"
}
})
}
.chat-bar-collapsible {
position: fixed;
bottom: 0;
right: 50px;
box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
}
.collapsible {
background-color: rgb(82, 151, 255);
color: white;
cursor: pointer;
padding: 18px;
width: 350px;
text-align: left;
outline: none;
font-size: 18px;
border-radius: 10px 10px 0px 0px;
border: 3px solid white;
border-bottom: none;
}
.content {
max-height: 0;
overflow: hidden;
transition: max-height 0.2s ease-out;
background-color: #f1f1f1;
}
.full-chat-block {
width: 350px;
background: white;
text-align: center;
overflow: auto;
scrollbar-width: none;
height: max-content;
transition: max-height 0.2s ease-out;
}
.outer-container {
min-height: 500px;
bottom: 0%;
position: relative;
}
.chat-container {
max-height: 500px;
width: 100%;
position: absolute;
bottom: 0;
left: 0;
scroll-behavior: smooth;
hyphens: auto;
}
.chat-container::-webkit-scrollbar {
display: none;
}
.chat-bar-input-block {
display: flex;
float: left;
box-sizing: border-box;
justify-content: space-between;
width: 100%;
align-items: center;
background-color: rgb(235, 235, 235);
border-radius: 10px 10px 0px 0px;
padding: 10px 0px 10px 10px;
}
.chat-bar-icons {
display: flex;
justify-content: space-evenly;
box-sizing: border-box;
width: 25%;
float: right;
font-size: 20px;
}
#chat-icon:hover {
opacity: .7;
}
/* Chat bubbles */
#userInput {
width: 75%;
}
.input-box {
float: left;
border: none;
box-sizing: border-box;
width: 100%;
border-radius: 10px;
padding: 10px;
font-size: 16px;
color: #000;
background-color: white;
outline: none
}
.userText {
color: white;
font-family: Helvetica;
font-size: 16px;
font-weight: normal;
text-align: right;
clear: both;
}
.userText span {
line-height: 1.5em;
display: inline-block;
background: #5ca6fa;
padding: 10px;
border-radius: 8px;
border-bottom-right-radius: 2px;
max-width: 80%;
margin-right: 10px;
animation: floatup .5s forwards
}
.botText {
color: #000;
font-family: Helvetica;
font-weight: normal;
font-size: 16px;
text-align: left;
}
.botText span {
line-height: 1.5em;
display: inline-block;
background: #e0e0e0;
padding: 10px;
border-radius: 8px;
border-bottom-left-radius: 2px;
max-width: 80%;
margin-left: 10px;
animation: floatup .5s forwards
}
#keyframes floatup {
from {
transform: translateY(14px);
opacity: .0;
}
to {
transform: translateY(0px);
opacity: 1;
}
}
#media screen and (max-width:600px) {
.full-chat-block {
width: 100%;
border-radius: 0px;
}
.chat-bar-collapsible {
position: fixed;
bottom: 0;
right: 0;
width: 100%;
}
.collapsible {
width: 100%;
border: 0px;
border-top: 3px solid white;
border-radius: 0px;
}
}
<script src="https://kit.fontawesome.com/48a972c999.js" crossorigin="anonymous"></script>
<div class="chat-bar-collapsible">
<button id="chat-bar-button" type="button" class="collapsible">Chat With Us!<i id="chat-icon" style="color: #fff;" class="fas fa-fw fa-comment-o"></i></button>
</div>
<div class="content">
<div class="full-chat-block">
<!--Mesage Container-->
<div class="outer-container">
<div class="container">
<!--Messages-->
<div id="chatbox">
<h5 id="chat-timestamp"></h5>
<p id="botStarterMessages " class="botText"><span>loading...</span></p>
</div>
<!--User Input Box-->
<div class="chat-bar-input-block">
<div id="user-input">
<input type="text" id="textInput" class="input-box" placeholder="Tap 'enter' to send a mesage" />
<p></p>
</div>
<div class="chat-bar-icons">
</div>
</div>
</div>
</div>
</div>
</div>

Why is my modal opening on the bottom of page?

I have built a modal and inserted it into my code, however whenever I press the button that is supposed to open it up it goes to the bottom of the page. It is supposed to be on top of the rest of the page with a blurry bg, per say, but it just goes to the bottom of the page and it isn't even properly formatted. Here is an image.
Here is the code for that, the navbar and their css, and the modal js file.
https://repl.it/repls/GrubbyInsubstantialAutosketch
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-modal/0.9.1/jquery.modal.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jquery-modal/0.9.1/jquery.modal.min.css" />
<nav>
<div class="menu-center">
<input type="checkbox"id="check">
<label for="check">
<i class="fas fa-bars" id="btn"></i>
<i class="fas fa-times" id="cancel"></i>
</label>
<img src="logo-solo.png" >
<ul>
<li><a href="#home" class="active" > Home</a></li>
<li><a href="#quem-somos" >Quem somos</a></li>
<li>Onde Atuamos</li>
<li>Servicos</li>
<li>Depoimentos</li>
<li>comecando</li>
<li>Contacte-nos</li>
<a class="cta" rel="modal:open" href="#ex1" key="login" id="myBtn">Acessar</a>
</ul>
</div>
</nav>
<script src="scroll.js"></script>
<script type="text/javascript">
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
anchor.addEventListener('click', function (e) {
e.preventDefault();
document.querySelector(this.getAttribute('href')).scrollIntoView({
behavior: 'smooth'
});
});
});
</script>
<div class="modal" id="modalContainer">
<div class="container" id="myModal">
<div class="form-container sign-up-container">
<form action="#">
<h1>MMT University</h1>
<span>Se registre para começar</span>
<input type="text" placeholder="Usuário" />
<input type="email" placeholder="Email" />
<input type="password" placeholder="Senha" />
<input type="password" placeholder="Repita a sua senha" />
<button>Registrar</button>
</form>
</div>
<div class="form-container sign-in-container">
<form action="#">
<h1>Acessar</h1>
<span>Acesse a MMT University</span>
<input type="email" placeholder="Email" />
<input type="password" placeholder="Senha" />
Esqueceu a senha?
<button>Acessar</button>
</form>
</div>
<div class="overlay-container">
<div class="overlay">
<div class="overlay-panel overlay-left">
<h1>Bem vindo!</h1>
<p>Para continuar aprendendo, acesse a sua conta!</p>
<button class="ghost" id="signIn">Sign In</button>
</div>
<div class="overlay-panel overlay-right">
<h1>MMT University!</h1>
<p>Se registre para entrar na melhor universidade trading do mundo.</p>
<button class="ghost" id="signUp">Registre-se</button>
</div>
</div>
</div>
</div>
</div>
<script src="main.js"></script>
<script src="modal.js"></script>
</body>
Here is my css file, that has both the navbar and the modal code.
/*I could not add the justify content tag, it made my navbar disappear, this is my navbars css*/
body {
overflow-x: hidden;
display: flex;
align-items: center;
flex-direction: column;
font-family: 'Montserrat', sans-serif;
height: 100%;
}
a {
text-decoration: none;
}
nav {
height: 10vh;
background: #05031b;
opacity: 0.85;
transition: all 0.5s ease;
font-family: "Montserrat", sans-serif;
z-index: 1;
position: fixed;
width: 100%;
}
nav img {
height: 80px;
width: 80px;
margin-left: 5vh;
margin-top: 11px;
}
.social-media-icons {
position: absolute;
top: 10vh;
left: 0;
font-size: 8vh;
margin-right: 5vh;
}
.fa:hover {
opacity: 0.7;
}
.fa-youtube {
background: #05031b;
color: white;
margin-top: 0px;
font-size: 40px;
}
.fa-instagram {
background: #05031b;
color: white;
top: 0;
font-size: 50px;
margin-right: 5vh;
}
nav ul{
float: right;
margin-right: 10px;
margin-top: 20px;
}
nav ul li{
display: inline-block;
line-height: 50px;
margin: 5px 50px;
font-family: "Montserrat", sans-serif;
}
nav ul li a{
position: relative;
color: white;
font-size: 14px;
padding: 5px 6px;
font-family: "Montserrat", sans-serif;
text-transform: uppercase;
}
nav ul li a:before{
position: absolute;
content: '';
left: 0;
bottom: 0;
height: 3px;
width: 100%;
background: rgb(220,52,52);
transform: scaleX(0);
transform-origin: right;
transition: transform .4s linear;
font-family: "Montserrat", sans-serif;
}
nav ul li a:hover:before{
transform: scaleX(1);
transform-origin: left;
font-family: "Montserrat", sans-serif;
}
nav ul li a:hover{
border-radius: 4px;
transition: all 0.2s ease0;
color: rgb(220,52,52);
font-family: "Montserrat", sans-serif;
}
nav .active a:hover {
color: rgb(220,52,52);
}
nav .active a {
color: rgb(220,52,52);
}
#menu-center {
width: 980px;
height: 75px;
margin: 0 auto;
color: rgb(220,52,52);
font-family: "Montserrat", sans-serif;
}
#menu-center ul {
margin: 0 0 0 0;
color: rgb(220,52,52);
font-family: "Montserrat", sans-serif;
}
#menu-center ul li a{
padding: 32px 40px;
color: rgb(220,52,52);
font-family: "Montserrat", sans-serif;
}
#menu-center ul li {
list-style: none;
margin: 0 0 0 -4px;
display: inline;
color: rgb(220,52,52);
font-family: "Montserrat", sans-serif;
}
.active, #menu-center ul li a:hover {
font-size: 14px;
color: rgb(220,52,52);
text-decoration: none;
background-color: rgba(0, 0, 0, 0.12);
}
a {
color: rgb(220,52,52);
}
#quem-somos {
color: rgb(220,52,52);
}
.cta {
padding: 9px 18px;
background-color: rgb(220,52,52);
border-radius: 50px;
cursor: pointer;
transition: all 0.3s ease 0s;
font-family: "Montserrat", sans-serif;
font-weight: 500;
color: #edf0f1;
right: 0;
margin-left: 20px;
text-decoration: none;
}
.cta:hover {
background-color: rgba(0, 136, 169, 0.8);
}
label #btn,
label #cancel{
color: red;
font-size: 30px;
float: right;
line-height: 80px;
margin-right: 40px;
cursor: pointer;
display: none;
}
#check{
display: none;
}
/*This is the modals css*/
h1 {
font-weight: bold;
margin: 0;
margin-bottom: 5vh;
}
h2 {
text-align: center;
}
p {
font-size: 14px;
font-weight: 100;
line-height: 20px;
letter-spacing: 0.5px;
margin: 20px 0 30px;
}
span {
font-size: 12px;
}
a {
color: #333;
font-size: 14px;
text-decoration: none;
margin: 15px 0;
}
button {
border-radius: 20px;
border: 1px solid rgb(220,52,52);
background-color: rgb(220,52,52);
color: #FFFFFF;
font-size: 12px;
font-weight: bold;
padding: 12px 45px;
letter-spacing: 1px;
text-transform: uppercase;
transition: transform 80ms ease-in;
}
button:active {
transform: scale(0.95);
}
button:focus {
outline: none;
}
button.ghost {
background-color: transparent;
border-color: #FFFFFF;
color: #fff;
background-color: rgb(220,52,52);
}
form {
background-color: #FFFFFF;
display: flex;
align-items: center;
justify-content: center;
flex-direction: column;
padding: 0 50px;
height: 100%;
text-align: center;
overflow: auto;
}
input {
background-color: #eee;
border: none;
padding: 12px 15px;
margin: 8px 0;
width: 100%;
}
.container-form {
background-color: #fff;
border-radius: 10px;
box-shadow: 0 14px 28px rgba(0,0,0,0.25),
0 10px 10px rgba(0,0,0,0.22);
position: relative;
overflow: hidden;
width: 768px;
max-width: 100%;
min-height: 480px;
}
.form-container {
position: absolute;
top: 0;
height: 100%;
transition: all 0.6s ease-in-out;
}
.sign-in-container {
left: 0;
width: 50%;
z-index: 2;
}
.container.right-panel-active .sign-in-container {
transform: translateX(100%);
}
.sign-up-container {
left: 0;
width: 50%;
opacity: 0;
z-index: 1;
}
.container.right-panel-active .sign-up-container {
transform: translateX(100%);
opacity: 1;
z-index: 5;
animation: show 0.6s;
}
#keyframes show {
0%, 49.99% {
opacity: 0;
z-index: 1;
}
50%, 100% {
opacity: 1;
z-index: 5;
}
}
.close {
/* Position it in the top right corner outside of the modal */
position: absolute;
right: 25px;
top: 0;
color: #000;
font-size: 35px;
font-weight: bold;
}
/* Close button on hover */
.close:hover,
.close:focus {
color: red;
cursor: pointer;
}
/* Add Zoom Animation */
.animate {
-webkit-animation: animatezoom 0.6s;
animation: animatezoom 0.6s
}
#-webkit-keyframes animatezoom {
from {-webkit-transform: scale(0)}
to {-webkit-transform: scale(1)}
}
#keyframes animatezoom {
from {transform: scale(0)}
to {transform: scale(1)}
}
.overlay-container {
position: absolute;
top: 0;
left: 50%;
width: 50%;
height: 100%;
overflow: hidden;
transition: transform 0.6s ease-in-out;
z-index: 100;
}
.container.right-panel-active .overlay-container{
transform: translateX(-100%);
}
.overlay {
background: #05031b;
background: -webkit-linear-gradient(to right, #05031b, #05031b);
background: linear-gradient(to right, #05031b, #05031b);
background-repeat: no-repeat;
background-size: cover;
background-position: 0 0;
color: #FFFFFF;
position: relative;
left: -100%;
height: 100%;
width: 200%;
transform: translateX(0);
transition: transform 0.6s ease-in-out;
}
.container.right-panel-active .overlay {
transform: translateX(50%);
}
.overlay-panel {
position: absolute;
display: flex;
align-items: center;
justify-content: center;
flex-direction: column;
padding: 0 40px;
text-align: center;
top: 0;
height: 100%;
width: 50%;
transform: translateX(0);
transition: transform 0.6s ease-in-out;
}
.overlay-left {
transform: translateX(-20%);
}
.container.right-panel-active .overlay-left {
transform: translateX(0);
}
.overlay-right {
right: 0;
transform: translateX(0);
}
.container.right-panel-active .overlay-right {
transform: translateX(20%);
}
.social-container {
margin: 20px 0;
}
.social-container a {
border: 1px solid #DDDDDD;
border-radius: 50%;
display: inline-flex;
justify-content: center;
align-items: center;
margin: 0 5px;
height: 40px;
width: 40px;
}
.modal {
position: fixed; /* position it so that fills the screen, but doesn't move with it */
top: 0; /* position this element at the top... */
left: 0; /* ...left corner of the page... */
width: 100%; /* ...and set both the width */
height: 100%; /* ...and height to 100%, so that the element fills the entire page */
z-index: 99999; /* set the z-index to a high enough number so that this element is positioned on top of all other elements */
background: rgb(0, 0, 0, 0.7); /* set the background to black with some transparency, so you can see through it */
/* The following simply centers the modal within this container */
display: flex;
justify-content: center;
align-items: center;
}
Now this is the modal.js, what controls the modals functions.
//Get the modal
var modal = document.getElementById("myModal");
var modal_container = document.getElementById("modalContainer")
modal_container.style.display = "none";
window.onclick = function (event) {
console.log(event.target)
if(event.target.id == "myBtn") {
modal_container.style.display = "flex"
}
else if (modal !== event.target && !modal.contains(event.target)) {
modal_container.style.display = "none";
}
}

You set an event handler for all links with href starting with '#' to scroll smoothly into view, but the href of the button that activates your modal windows is "#ex1". There is no "ex1" section in the document, which causes the script error.
A quick solution is to remove "#ex1" from the href attribute.
<a class="cta" rel="modal:open" href="" key="login" id="myBtn">Acessar</a>

i cant redirect and go to a specific section

i am trying to redirect to this page and go a specific part of the page, which is powered by java script to move around. i want to be able to go to say, delete section. but i cant achieve it using localhost/entry.php#delete . what am i doing wrong? below is the snippet.
(function($) {
// constants
var SHOW_CLASS = 'show',
HIDE_CLASS = 'hide',
ACTIVE_CLASS = 'active';
$('.tabs').on('click', 'li a', function(e) {
e.preventDefault();
var $tab = $(this),
href = $tab.attr('href');
$('.active').removeClass(ACTIVE_CLASS);
$tab.addClass(ACTIVE_CLASS);
$('.show')
.removeClass(SHOW_CLASS)
.addClass(HIDE_CLASS)
.hide();
$(href)
.removeClass(HIDE_CLASS)
.addClass(SHOW_CLASS)
.hide()
.fadeIn(550);
});
})(jQuery);
#import url(http://fonts.googleapis.com/css?family=Roboto:100);
#import url(http://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.css);
body {
background: #1a1a1a;
color: white;
font-family: 'Roboto';
}
.flat-form {
background: #e74c3c;
margin: 25px auto;
width: 80%;
height: 450px;
position: relative;
font-family: 'Roboto';
}
.red-form {
background: #e74c3c;
margin: 25px auto;
width: 80%;
position: relative;
font-family: 'Roboto';
padding: 15px;
}
label {
font-weight: bold;
}
.tabs {
background: #c0392b;
height: 40px;
margin: 0;
padding: 0;
list-style-type: none;
width: 100%;
position: relative;
display: block;
margin-bottom: 20px;
}
.tabs li {
display: block;
float: left;
margin: 0;
padding: 0;
}
.tabs a {
background: #c0392b;
display: block;
float: left;
text-decoration: none;
color: white;
font-size: 16px;
padding: 12px 22px 12px 22px;
/*border-right: 1px solid #tab-border;*/
}
.tabs li:last-child a {
border-right: none;
width: 174px;
padding-left: 0;
padding-right: 0;
text-align: center;
}
.tabs a.active {
background: #e74c3c;
border-right: none;
-webkit-transition: all 0.5s linear;
-moz-transition: all 0.5s linear;
transition: all 0.5s linear;
}
.form-action {
padding: 0 20px;
position: relative;
}
.form-action h1 {
font-size: 42px;
padding-bottom: 10px;
}
.form-action p {
font-size: 12px;
padding-bottom: 10px;
line-height: 25px;
}
form {
padding-right: 20px !important;
}
form input[type=text],
form input[type=password],
form input[type=submit] {
font-family: 'Roboto';
}
form input[type=text],
form input[type=password] {
width: 100%;
height: 40px;
margin-bottom: 10px;
padding-left: 15px;
background: #fff;
border: none;
color: #e74c3c;
outline: none;
}
.dark-box {
background: #5e0400;
box-shadow: 1px 3px 3px #3d0100 inset;
height: 40px;
width: 50px;
}
.form-action .dark-box.bottom {
position: absolute;
right: 0;
bottom: -24px;
}
.tabs + .dark-box.top {
position: absolute;
right: 0;
top: 0px;
}
.show {
display: block;
}
.hide {
display: none;
}
.button {
border: none;
display: block;
background: #136899;
height: 40px;
width: 80px;
color: #ffffff;
text-align: center;
border-radius: 5px;
/*box-shadow: 0px 3px 1px #2075aa;*/
-webkit-transition: all 0.15s linear;
-moz-transition: all 0.15s linear;
transition: all 0.15s linear;
font-weight: bold;
}
.button:hover {
background: #1e75aa;
/*box-shadow: 0 3px 1px #237bb2;*/
}
.button:active {
background: #136899;
/*box-shadow: 0 3px 1px #0f608c;*/
}
::-webkit-input-placeholder {
color: #e74c3c;
font-weight: bold;
}
:-moz-placeholder {
/* Firefox 18- */
color: #e74c3c;
font-weight: bold;
}
::-moz-placeholder {
/* Firefox 19+ */
color: #e74c3c;
font-weight: bold;
}
:-ms-input-placeholder {
color: #e74c3c;
font-weight: bold;
}
select {
margin: 10px;
border: 1px solid #111;
background: transparent;
width: 300px;
padding: 5px 35px 5px 5px;
font-size: 16px;
border: 1px solid #ccc;
font-weight: bold;
color: #504848;
}
<body>
<div class="container">
<div class="flat-form">
<ul class="tabs">
<li>
Insert
</li>
<li>
Update
</li>
<li>
Delete
</li>
</ul>
<div id="insert" class="form-action show">
<h1>Insert</h1>
<p>
insert data goes here
</p>
</div>
<div id="update" class="form-action hide">
<h1>Update</h1>
<p>
update data goes here
</p>
</div>
<div id="delete" class="form-action hide">
<h1>Delete</h1>
<p>
delete data goes here
</p>
</div>
</div>
</div>
<script class="cssdeck" src="//cdnjs.cloudflare.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script>
</body>

Anchors apply just for simple navigation around the page, for changing tabs etc. you need to add some extra code, something like:
(function($) {
// constants
var SHOW_CLASS = 'show',
HIDE_CLASS = 'hide',
ACTIVE_CLASS = 'active';
switchTab = function(href){
var $link = $('a[href=' + href + ']'),
$tab = $(href);
$('.active').removeClass(ACTIVE_CLASS);
$link.addClass(ACTIVE_CLASS);
$('.show')
.removeClass(SHOW_CLASS)
.addClass(HIDE_CLASS)
.hide();
$($tab)
.removeClass(HIDE_CLASS)
.addClass(SHOW_CLASS)
.hide()
.fadeIn(550);
}
$('.tabs').on('click', 'li a', function(e) {
e.preventDefault();
switchTab($(this).attr('href'));
});
if(window.location.hash){
switchTab(window.location.hash);
}
})(jQuery);
#import url(http://fonts.googleapis.com/css?family=Roboto:100);
#import url(http://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.css);
body {
background: #1a1a1a;
color: white;
font-family: 'Roboto';
}
.flat-form {
background: #e74c3c;
margin: 25px auto;
width: 80%;
height: 450px;
position: relative;
font-family: 'Roboto';
}
.red-form {
background: #e74c3c;
margin: 25px auto;
width: 80%;
position: relative;
font-family: 'Roboto';
padding: 15px;
}
label {
font-weight: bold;
}
.tabs {
background: #c0392b;
height: 40px;
margin: 0;
padding: 0;
list-style-type: none;
width: 100%;
position: relative;
display: block;
margin-bottom: 20px;
}
.tabs li {
display: block;
float: left;
margin: 0;
padding: 0;
}
.tabs a {
background: #c0392b;
display: block;
float: left;
text-decoration: none;
color: white;
font-size: 16px;
padding: 12px 22px 12px 22px;
/*border-right: 1px solid #tab-border;*/
}
.tabs li:last-child a {
border-right: none;
width: 174px;
padding-left: 0;
padding-right: 0;
text-align: center;
}
.tabs a.active {
background: #e74c3c;
border-right: none;
-webkit-transition: all 0.5s linear;
-moz-transition: all 0.5s linear;
transition: all 0.5s linear;
}
.form-action {
padding: 0 20px;
position: relative;
}
.form-action h1 {
font-size: 42px;
padding-bottom: 10px;
}
.form-action p {
font-size: 12px;
padding-bottom: 10px;
line-height: 25px;
}
form {
padding-right: 20px !important;
}
form input[type=text],
form input[type=password],
form input[type=submit] {
font-family: 'Roboto';
}
form input[type=text],
form input[type=password] {
width: 100%;
height: 40px;
margin-bottom: 10px;
padding-left: 15px;
background: #fff;
border: none;
color: #e74c3c;
outline: none;
}
.dark-box {
background: #5e0400;
box-shadow: 1px 3px 3px #3d0100 inset;
height: 40px;
width: 50px;
}
.form-action .dark-box.bottom {
position: absolute;
right: 0;
bottom: -24px;
}
.tabs + .dark-box.top {
position: absolute;
right: 0;
top: 0px;
}
.show {
display: block;
}
.hide {
display: none;
}
.button {
border: none;
display: block;
background: #136899;
height: 40px;
width: 80px;
color: #ffffff;
text-align: center;
border-radius: 5px;
/*box-shadow: 0px 3px 1px #2075aa;*/
-webkit-transition: all 0.15s linear;
-moz-transition: all 0.15s linear;
transition: all 0.15s linear;
font-weight: bold;
}
.button:hover {
background: #1e75aa;
/*box-shadow: 0 3px 1px #237bb2;*/
}
.button:active {
background: #136899;
/*box-shadow: 0 3px 1px #0f608c;*/
}
::-webkit-input-placeholder {
color: #e74c3c;
font-weight: bold;
}
:-moz-placeholder {
/* Firefox 18- */
color: #e74c3c;
font-weight: bold;
}
::-moz-placeholder {
/* Firefox 19+ */
color: #e74c3c;
font-weight: bold;
}
:-ms-input-placeholder {
color: #e74c3c;
font-weight: bold;
}
select {
margin: 10px;
border: 1px solid #111;
background: transparent;
width: 300px;
padding: 5px 35px 5px 5px;
font-size: 16px;
border: 1px solid #ccc;
font-weight: bold;
color: #504848;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<body>
<div class="container">
<div class="flat-form">
<ul class="tabs">
<li>
Insert
</li>
<li>
Update
</li>
<li>
Delete
</li>
</ul>
<div id="insert" class="form-action show">
<h1>Insert</h1>
<p>
insert data goes here
</p>
</div>
<div id="update" class="form-action hide">
<h1>Update</h1>
<p>
update data goes here
</p>
</div>
<div id="delete" class="form-action hide">
<h1>Delete</h1>
<p>
delete data goes here
</p>
</div>
</div>
</div>
<script class="cssdeck" src="//cdnjs.cloudflare.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script>
</body>

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