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I want to create a vote system with jQuery but not working

I am trying to create a function with jQuery but I can't. When you press a button then an arrow will move to 36 degrees. I have 5 buttons and the circle is 180 degrees.
My code is working in one way but it's not in reverse, which means when you press button 1 to 5 it's working but when I try to click randomly then it is not working.
Here is what i am trying to build
$(document).ready(function() {
$("#ang36").click(function() {
$("#silder_image").removeClass("animate1");
$("#silder_image").addClass("animate1");
});
$("#ang72").click(function() {
$("#silder_image").removeClass("animate2");
$("#silder_image").addClass("animate2");
});
$("#ang108").click(function() {
$("#silder_image").removeClass("animate3");
$("#silder_image").addClass("animate3");
});
$("#ang144").click(function() {
$("#silder_image").removeClass("animate4");
$("#silder_image").addClass("animate4");
});
$("#ang180").click(function() {
$("#silder_image").removeClass("animate5");
$("#silder_image").addClass("animate5");
});
});
.slider_area {
width: 800px;
margin: 0 auto;
position: relative;
margin-top: 400px;
}
.silder_image {
width: 100px;
height: 100px;
}
.animate1 {
transform: rotate(36deg);
-ms-transform: rotate(36deg);
-webkit-transform: rotate(36deg);
transform-origin: center center;
transition-duration: 5s;
}
.animate1 img,
.animate2 img,
.animate3 img,
.animate4 img,
.animate5 img {
transform: rotate(-90deg);
}
.animate2 {
transform: rotate(72deg);
-ms-transform: rotate(72deg);
-webkit-transform: rotate(72deg);
transform-origin: center center;
transition-duration: 5s;
}
.animate3 {
transform: rotate(108deg);
-ms-transform: rotate(108deg);
-webkit-transform: rotate(108deg);
transform-origin: center center;
transition-duration: 5s;
}
.animate4 {
transform: rotate(144deg);
-ms-transform: rotate(144deg);
-webkit-transform: rotate(144deg);
transform-origin: center center;
transition-duration: 5s;
}
.animate5 {
transform: rotate(180deg);
-ms-transform: rotate(180deg);
-webkit-transform: rotate(180deg);
transform-origin: center center;
transition-duration: 5s;
}
.triggrs {
position: relative;
width: 400px;
bottom: -171px;
left: 0;
}
<div class="slider_area">
<div id="silder_image">
<img src="Slider Vote.png" alt="">
</div>
<div class="triggrs">
<button id="ang36">button1</button>
<button id="ang72">button2</button>
<button id="ang108">button3</button>
<button id="ang144">button4</button>
<button id="ang180">button5</button>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

I created another approach which could also help you further (maybe).
let needle = document.querySelector('#needle ');
let btns = document.querySelectorAll('button')
btns.forEach( btn=>{ btn.addEventListener('click', function() {
let level = this.dataset.deg;
needle.style.transform = "rotate("+Number(level)+"deg)"});
})
#panel {
height: 50px;
overflow: hidden;
}
.circle{
width: 100px;
height: 100px;
border-radius: 100%;
border: 5px solid grey;
position: relative;
display: flex;
justify-content: center;
transform: rotate(-90deg);
background: #ffffff;
background: linear-gradient(to bottom, #ffffff 0%,#e8e000 50%,#e50000 100%);
}
#needle {
width: 6px;
height: 50px;
background: #4361ff;
transform-origin: bottom;
transition: transform .75s cubic-bezier(.31,-0.52,.84,1.55);
transform: rotate(30deg);
box-sizing: border-box;
margin-left: -3px;
}
.buttons {
margin-top: 2rem;
}
<div id="panel">
<div class="circle">
<div id="needle"></div>
</div>
</div>
<div class="buttons">
<button data-deg="30">1</button>
<button data-deg="60">2</button>
<button data-deg="90">3</button>
<button data-deg="120">4</button>
<button data-deg="150">5</button>
</div>

Trigger css hover in javascript

So I'm working a coin flip minigame and I need an animation. My code so far is:
HTML:
<div class="flip-container">
<div class="flipper">
<div class="front">
<img src="http://i.imgur.com/YS84SGq.png" alt="" />
</div>
<div class="back">
<img src="http://i.imgur.com/lDR0Xj8.png" alt="" />
</div>
</div>
</div>
CSS:
.flip-container
{
position: absolute;
perspective: 1000;
top: 50%;
left: 50%;
-moz-transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
-webkit-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
margin-top: 25%;
}
.flip-container, .flip-container .front, .flip-container .back
{
-moz-border-radius: 150px;
-webkit-border-radius: 150px;
border-radius: 150px;
width: 150px;
height: 150px;
overflow: hidden;
}
.front img, .back img
{
width: 150px;
height: 150px;
}
.flip-container .flipper
{
transition: 3s;
transform-style: preserve-3d;
position: relative;
}
.flip-container .flipper .front, .flip-container .flipper .back
{
backface-visibility: hidden;
position: absolute;
top: 0;
left: 0;
}
.flip-container .flipper .front
{
z-index: 2;
transform: rotateY(0deg);
}
.flip-container .flipper .back
{
transform: rotateY(180deg);
}
.flip-container:hover .flipper, .flip-container.hover .flipper
{
transform: rotateY(720deg);
}
A working demo: https://jsfiddle.net/k0pjcftp/
As you can see, animation works fine on hover. But I need to trigger it somehow through javascript, and I have no idea how. I tried adding a css class with transform(...) but animation wasn't working. Any ideas?

You can use jQuery's hover method and toggle the hover class on your container.
$('.flip-container').hover(function() {
$(this).toggleClass('hover');
});
.flip-container
{
position: absolute;
perspective: 1000;
top: 50%;
left: 50%;
-moz-transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
-webkit-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
margin-top: 25%;
}
.flip-container, .flip-container .front, .flip-container .back
{
-moz-border-radius: 150px;
-webkit-border-radius: 150px;
border-radius: 150px;
width: 150px;
height: 150px;
overflow: hidden;
}
.front img, .back img
{
width: 150px;
height: 150px;
}
.flip-container .flipper
{
transition: 3s;
transform-style: preserve-3d;
position: relative;
}
.flip-container .flipper .front, .flip-container .flipper .back
{
backface-visibility: hidden;
position: absolute;
top: 0;
left: 0;
}
.flip-container .flipper .front
{
z-index: 2;
transform: rotateY(0deg);
}
.flip-container .flipper .back
{
transform: rotateY(180deg);
}
/*.flip-container:hover .flipper,*/ .flip-container.hover .flipper
{
transform: rotateY(720deg);
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="flip-container">
<div class="flipper">
<div class="front">
<img src="http://i.imgur.com/YS84SGq.png" alt="" />
</div>
<div class="back">
<img src="http://i.imgur.com/lDR0Xj8.png" alt="" />
</div>
</div>
</div>

Grey out background while page loading

On my page I've got an animated image which runs when the page is busy loading. I've managed to get it to show when the page is busy and stop when the page is not busy. I'm struggling to get the page to grey out while this progress image runs... I've read about a div overlay, but it's not working. How do I do this? I'm new to javascript
This is what I've done:
In my asp.net I've got the following:
<div class="loading" align="center">
<div class="main">
<div class="small1">
<div class="small ball smallball1"></div>
<div class="small ball smallball2"></div>
<div class="small ball smallball3"></div>
<div class="small ball smallball4"></div>
</div>
<div class="small2">
<div class="small ball smallball5"></div>
<div class="small ball smallball6"></div>
<div class="small ball smallball7"></div>
<div class="small ball smallball8"></div>
</div>
<div class="bigcon">
<div class="big ball"></div>
</div>
</div>
</div>
My javascript is as follows:
<script type="text/javascript">
function ShowProgress() {
setTimeout(function () {
var loading = $(".loading");
loading.show();
$('#overlay').css({
'display': 'block',
opacity: 0.7,
'width': $(document).width(),
'height': $(document).height()
});
$('body').css({'overflow':'hidden'});
$('#loading').css({ 'display': 'block' }).click(function () {
$(this).css('display', 'none');
$('#screen').css('display', 'none')
});
}, 200);
$('#main').dialog({ modal: true });
}
$('form').live("submit", function () {
ShowProgress();
});
</script>
And my css looks like this:
body {
padding: 0px;
height:100%;
background-color:#EBEBEB;
filter:alpha(opacity=70);
opacity:0.7;
background-color: #002031;
}
.main {
background-color:#EBEBEB;
filter:alpha(opacity=70);
opacity:0.7;
}
.small2 {
position: absolute;
height: 100px;
width: 100px;
background-color: transparent;
top: 50vh;
left: 50%;
transform: translate(-50%, -50%);
}
.small1 {
position: absolute;
height: 100px;
width: 100px;
top: 50vh;
left: 50%;
transform-origin: center;
transform: translate(-50%, -50%) rotate(45deg);
background-color: transparent;
}
.bigcon {
position: absolute;
height: 95px;
width: 95px;
top: 50vh;
left: 50%;
transform-origin: center;
transform: translate(-50%, -50%) rotate(-45deg);
background-color: transparent;
animation: bigcon 2s infinite linear;
animation-delay: 0.25s;
}
.ball {
border-radius: 50%;
position: absolute;
}
.small {
width: 25px;
height: 25px;
animation: small 2s infinite ease;
box-shadow: 0px 2px rgba(0,0,0,0.3);
background-color: #46b9ff;
}
.small:nth-child(1) {
top: 0%;
left: 0%;
}
.small:nth-child(2) {
top: 0%;
right: 0%;
}
.small:nth-child(3) {
right: 0%;
bottom: 0%;
}
.small:nth-child(4) {
bottom: 0%;
left: 0%;
}
.big {
width: 20px;
height: 20px;
border-radius: 15px;
box-shadow:0px 0px 10px #54f7f8, 0px 0px 20px #54f7f8, 0px 0px 30px #54f7f8, 0px 0px 50px #54f7f8, 0px 0px 60px #54f7f8 ;
z-index: 1;
background-color: #54f7f8;
animation: bigball 1s infinite linear;
}
.smallball1{
animation-delay: -1.75s;
}
.smallball6{
animation-delay: -1.5s;
}
.smallball2{
animation-delay: -1.25s;
}
.smallball7{
animation-delay: -1s;
}
.smallball3{
animation-delay: -0.75s;
}
.smallball8{
animation-delay: -0.5s;
}
.smallball4{
animation-delay: -0.25s;
}
.smallball5{
animation-delay: -0s;
}
#keyframes bigcon {
0% {
transform-origin: center;
transform: translate(-50%, -50%) rotate(45deg);
}
100% {
transform-origin: center;
transform: translate(-50%, -50%) rotate(405deg);
}
}
#keyframes small {
0% {
transform: scale(1);
background-color: #46b9ff;
}
10% {
transform: scale(1.3);
background-color: #54f7f8;
}
15% {
transform: scale(1);
}
25%{
transform: scale(1);
background-color: #46b9ff;
}
100%{
transform: scale(1);
background-color: #46b9ff;
}
}
#loading
{
font-family: Arial;
font-size: 10pt;
border: 0px ;
display: none;
background-color: White;
z-index: 999;
}
What am I doing wrong? Any help will be greatly appreciated

Try this:
CSS
.main:before{
position: absolute;
content:"";
width: 100%;
background: #EBEBEB;
height: 100%;
left:0;
z-index:-1;
}
DEMO HERE

How to draw heart with text in middle?

I found this answer "css: how to draw circle with text in middle?" , but I need the same, but with a heart shape. I found a lot of heart shape figures online, but none of this with text inside. At the same time, I need the heart only with borders, and when click, filled the background.
My code until now:
.heart {
width: 100px;
height: 90px;
font-size: 50px;
color: #fff;
line-height: 100px;
text-align: center;
}
.heart:before,
.heart:after {
position: absolute;
content: "";
left: 50px;
top: 0;
width: 50px;
height: 80px;
background: red;
-moz-border-radius: 50px 50px 0 0;
border-radius: 50px 50px 0 0;
-webkit-transform: rotate(-45deg);
-moz-transform: rotate(-45deg);
-ms-transform: rotate(-45deg);
-o-transform: rotate(-45deg);
transform: rotate(-45deg);
-webkit-transform-origin: 0 100%;
-moz-transform-origin: 0 100%;
-ms-transform-origin: 0 100%;
-o-transform-origin: 0 100%;
transform-origin: 0 100%;
}
.heart:after {
left: 0;
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);
-webkit-transform-origin: 100% 100%;
-moz-transform-origin: 100% 100%;
-ms-transform-origin: 100% 100%;
-o-transform-origin: 100% 100%;
transform-origin: 100% 100%;
}
<div class="heart">Heart</div>

In order to get text to appear on the heart, you need to set the heart container as relative and the text inside of it as absolute as shown below.
I set the border of the :before and :after to give the heart a border.
The toggling of the fill uses functionality from YouMightNotNeedJQuery.com.
function toggleFill(heart, className) {
if (!hasClass(heart, className)) {
addClass(heart, className);
} else {
removeClass(heart, className);
}
}
function addClass(el, className) {
if (el.classList) {
el.classList.add(className);
} else {
el.className += ' ' + className;
}
}
function removeClass(el, className) {
if (el.classList) {
el.classList.remove(className);
} else {
el.className = el.className.replace(
new RegExp('(^|\\b)' + className.split(' ').join('|') +
'(\\b|$)', 'gi'), ' ');
}
}
function hasClass(el, className) {
if (el.classList) {
return el.classList.contains(className);
} else {
return new RegExp('(^| )' + className +
'( |$)', 'gi').test(el.className);
}
}
.unselectable {
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.filled:before,
.filled:after {
background: red !important;
}
#wrapper {
width: 300px;
height: 180px;
background: #444;
}
.heart {
position: relative;
top: calc(50% - 45px); /* 1/2 height of wrapper - 1/2 height of heart */
left: calc(50% - 50px); /* 1/2 width of wrapper - 1/2 width of heart */
width: 100px;
height: 90px;
}
.heart:before,
.heart:after {
position: absolute;
content: "";
top: 0px;
width: 50px;
height: 80px;
background: inherit;
-moz-border-radius: 50px 50px 0 0;
border-radius: 50px 50px 0 0;
}
.heart:before {
left: 50px;
-webkit-transform: rotate(-45deg);
-moz-transform: rotate(-45deg);
-ms-transform: rotate(-45deg);
-o-transform: rotate(-45deg);
transform: rotate(-45deg);
-webkit-transform-origin: 0 100%;
-moz-transform-origin: 0 100%;
-ms-transform-origin: 0 100%;
-o-transform-origin: 0 100%;
transform-origin: 0 100%;
border-left: 2px solid red;
border-top: 2px solid red;
border-bottom: 1px solid red;
}
.heart:after {
left: 0px;
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);
-webkit-transform-origin: 100% 100%;
-moz-transform-origin: 100% 100%;
-ms-transform-origin: 100% 100%;
-o-transform-origin: 100% 100%;
transform-origin: 100% 100%;
border-right: 2px solid red;
border-top: 2px solid red;
border-bottom: 1px solid red;
}
.heart-text {
position: absolute;
top: 0;
left: calc(50px - 30px); /* 1/2 width of heart - 1/2 width of text */
z-index: 100;
line-height: 66px;
text-align: center;
font-size: 24px;
font-weight: bold;
color: #FFF;
}
<div id="wrapper">
<div class="heart" onclick="toggleFill(this, 'filled')">
<div class="heart-text unselectable">
Heart
</div>
</div>
</div>

A quick search and there is a good article about creating shapes with CSS over # css-tricks.com that can be seen here.
If we take the example of how to create a heart and extend upon it a little we can get the following snippet that gives you a heart that starts out simply as a border;
(function(){
var heart = document.querySelector('#heart');
heart.addEventListener('click', function(e) {
this.className += ' is--filled'
});
}());
#heart {
position: relative;
width: 100px;
height: 90px;
text-align: center;
font-size: 16px;
position: relative;
}
#heart span {
width: 100%;
display: block;
top: 50%;
margin-top: -16px;
line-height: 16px;
left: 0;
right: 0;
position: absolute;
z-index: 1;
}
#heart.is--filled:before,
#heart.is--filled:after {
background-color: red;
}
#heart:before,
#heart:after {
position: absolute;
content: "";
left: 50px;
top: 0;
width: 50px;
height: 80px;
border: 1px solid red;
transition: background-color .25s ease 0s;
-webkit-transition: background-color .25s ease 0s;
-moz-border-radius: 50px 50px 0 0;
border-radius: 50px 50px 0 0;
-webkit-transform: rotate(-45deg);
-moz-transform: rotate(-45deg);
-ms-transform: rotate(-45deg);
-o-transform: rotate(-45deg);
transform: rotate(-45deg);
-webkit-transform-origin: 0 100%;
-moz-transform-origin: 0 100%;
-ms-transform-origin: 0 100%;
-o-transform-origin: 0 100%;
transform-origin: 0 100%;
}
#heart:after {
left: 0;
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);
-webkit-transform-origin: 100% 100%;
-moz-transform-origin: 100% 100%;
-ms-transform-origin: 100% 100%;
-o-transform-origin: 100% 100%;
transform-origin :100% 100%;
}
#heart:before {
border-right: none;
border-bottom: none;
}
#heart:after {
border-left: none;
border-bottom: none;
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<div id='heart'>
<span>Hey</span>
</div>
</body>
</html>
However, as someone else has mentioned in the comments it may be an easier approach to use images or the canvas element. I say this purely because it may prove difficult to get just the heart border you desire before clicking the heart (easier to see if you run the snippet). You could opt for much softer opaque background color before you click and then transition to red maybe?
Hope this helps you out!

Use pseudo elements of css3.
.text {
position: absolute;
color: #eee;
z-index: 99;
top: 40%;
left: 50%;
transform: translate(-50%, -50%);
}
#heart {
position: relative;
width: 100px;
height: 90px;
}
#heart:before,
#heart:after {
position: absolute;
content: "";
left: 50px;
top: 0;
width: 50px;
height: 80px;
background: red;
-moz-border-radius: 50px 50px 0 0;
border-radius: 50px 50px 0 0;
-webkit-transform: rotate(-45deg);
-moz-transform: rotate(-45deg);
-ms-transform: rotate(-45deg);
-o-transform: rotate(-45deg);
transform: rotate(-45deg);
-webkit-transform-origin: 0 100%;
-moz-transform-origin: 0 100%;
-ms-transform-origin: 0 100%;
-o-transform-origin: 0 100%;
transform-origin: 0 100%;
}
#heart:after {
left: 0;
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);
-webkit-transform-origin: 100% 100%;
-moz-transform-origin: 100% 100%;
-ms-transform-origin: 100% 100%;
-o-transform-origin: 100% 100%;
transform-origin: 100% 100%;
}
<div id="heart">
<div class="text">ABC</div>
</div>

Use this
HTML
$('#change').click(function() {
var className = $(this).attr('class');
if(className == "heart"){
$(this).removeClass('heart');
$(this).addClass('heart1');
}
else{
$(this).removeClass('heart1');
$(this).addClass('heart');
}
});
.txt{
z-index:1;
font-size: 20px;
color: #000;
position:relative;
text-align:center;
top:15px;
right:5px;
}
.heart {
width: 100px;
height: 90px;
}
.heart1 {
width: 100px;
height: 90px;
}
.heart:before,
.heart:after {
position: absolute;
content: "";
left: 50px;
top: 0;
width: 50px;
height: 80px;
background: yellow;
-moz-border-radius: 50px 50px 0 0;
border-radius: 50px 50px 0 0;
-webkit-transform: rotate(-45deg);
-moz-transform: rotate(-45deg);
-ms-transform: rotate(-45deg);
-o-transform: rotate(-45deg);
transform: rotate(-45deg);
-webkit-transform-origin: 0 100%;
-moz-transform-origin: 0 100%;
-ms-transform-origin: 0 100%;
-o-transform-origin: 0 100%;
transform-origin: 0 100%;
}
.heart1:before,
.heart1:after {
position: absolute;
content: "";
left: 50px;
top: 0;
width: 50px;
height: 80px;
background: red;
-moz-border-radius: 50px 50px 0 0;
border-radius: 50px 50px 0 0;
-webkit-transform: rotate(-45deg);
-moz-transform: rotate(-45deg);
-ms-transform: rotate(-45deg);
-o-transform: rotate(-45deg);
transform: rotate(-45deg);
-webkit-transform-origin: 0 100%;
-moz-transform-origin: 0 100%;
-ms-transform-origin: 0 100%;
-o-transform-origin: 0 100%;
transform-origin: 0 100%;
}
.heart1:after {
left: 0;
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);
-webkit-transform-origin: 100% 100%;
-moz-transform-origin: 100% 100%;
-ms-transform-origin: 100% 100%;
-o-transform-origin: 100% 100%;
transform-origin: 100% 100%;
}
.heart:after {
left: 0;
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);
-webkit-transform-origin: 100% 100%;
-moz-transform-origin: 100% 100%;
-ms-transform-origin: 100% 100%;
-o-transform-origin: 100% 100%;
transform-origin: 100% 100%;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="change" class="heart"><div class="txt">Heart</div></div>

CSS modal with one element

I have modal window with pure CSS. I use for this 2 divs.
Question: How can I refactor this to use ONE div instead?
Wanted usage:
<div class="modal">
some text
x
</div>
Current code:
JSFiddle: http://jsfiddle.net/uogoxj8d/
.modal:before {
content: "";
position: fixed;
background-color: rgba(0,0,0,0.8);
top: 0;
left: 0;
height: 100%;
width: 100%;
}
.modal-content {
position: fixed;
background-color: #FFFFFF;
border: 1px #000000 solid;
padding: 10px;
width: 70%;
max-width: 400px;
left: 50%;
top: 50%;
-webkit-transform: translate(-50%, -50%);
-moz-transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
-o-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
}
.modal-content a {
position: absolute;
top: 0;
right: 10px;
}
<div class="modal">
<div class="modal-content">
some text
x
</div>
</div>

Oh, I get it. Simply use a giant box-shadow. Would that do?
.modal-content {
position: fixed;
background-color: #FFFFFF;
border: 1px #000000 solid;
padding: 10px;
width: 70%;
max-width: 400px;
left: 50%;
top: 50%;
-webkit-transform: translate(-50%, -50%);
-moz-transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
-o-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
box-shadow:0 0 0 9999px rgba(0,0,0,0.75);
}
<div class="modal-content">
some text
close
</div>