Email and Select option validation, changing label image - javascript

Please, if someone could help me to solve this problem.
I need to make the image "star" next to the label, changed on "check" image when email field is valid and the same thing to happens when select an option.
If the email field isn't completed or subject isn't selected the image with star rest the same.
This is my html form ->
<form id="jform" method="post" action="#" name="jform" enctype="multipart/form-data">
<p>
<label for="email" id="email" class="w_160 block req_e">E-mail:</label>
<input type="text" name="email" id="email" onClick="checkEmail(document.signupform.email.value)" >
</p>
<p>
<label for="subject" name="subject" class="w_160 block req">Subject:<!-- <span>* </span> --> </label>
<select name="subject" class="subject" id="subject">
<option value="0">select subject</option>
<option value="1">subject 1</option>
<option value="2">subject 2</option>
</select>
</p>
</form>
this is the CSS ->
.req{
background: url(images/req_star.png) 65px center no-repeat;
display: block;
}
.req_e{
background: url(images/req_star.png) 90px center no-repeat;
display: block;
padding-left: 35px;
}
.correct{
background: url(images/valid.png) 65px center no-repeat;
display: block;
}
.correct_e{
background: url(images/valid.png) 90px center no-repeat;
display: block;
padding-left: 35px;
}
JavaScript ->
$(document).ready(function(){
var jVal = {
'email' : function checkEmail() {
var email = document.getElementById('email');
var filter = /^([a-zA-Z0-9_\.\-])+\#(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
if (!filter.test(email.value)) {
$('mail').removeClass('correct_e');
$('mail').addClass('req_e');
email.focus;
return false;
}
else{
$('mail').removeClass('req_e');
$('mail').addClass('correct_e');
}
}
'subject' : function() {
var ele = $('#subject');
var pos = ele.offset();
sub.css({
top: pos.top-10,
left: pos.left+ele.width()+40
});
if(form.subject.selectedIndex > 0) { // an option has been selected
sub.removeClass('req').addClass('correct');
ele.removeClass('correct').addClass('req');
} else { // no option selected
jVal.errors = true;
sub.removeClass('correct').addClass('req');
ele.removeClass('req').addClass('correct');
}
}
};
// ====================================================== //
$('#email').change(jVal.email);
$('#subject').change(jVal.subject);
});

Related

Using eventlistener to disable and enable a button

I have a chess form with six fields. Two are drop down menus to select names (whiteplayername and blackplayername) and the other four can be used to add a custom name instead (firstnamewhite, lastnamewhite, firstnameblack, lastnameblack). Currently, I want my javascript to disable the custom fields if a name has been selected from the drop down menu (this is working). I also want the submit button to be disabled if neither the whiteplayername or firstnamewhite and blackplayername of firstnameblack is selected. Currently, the submit-button becomes enabled if a name is selected from both the blackplayername and whiteplayname menus but then does not become disabled again if an empty field is selected in either.
Edit
The full html is below, though I have taken out a section just made up of text and rows from the table in order to cut down on the space used.
<!DOCTYPE html>
<html lang="en"
xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>chessopenings3</title>
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
<style>
body {
style: "background-color: #FF0000;
}
.topnav {
position: relative;
overflow: hidden;
background-color: #333;
border: 2px;
width: max-content;
}
.topnav a {
float: left;
color: #f2f2f2;
text-align: center;
padding: 14px 16px;
text-decoration: none;
font-size: 17px;
border: 2px;
}
.topnav a:hover {
background-color: #ddd;
color: black;
border: 2px;
}
.formformat {
color: white;
padding: 50px;
font-size: 24px;
font-family: Arial, Helvetica, sans-serif;
}
.instructions-text {
position: absolute;
color: white;
align: center;
left: 750px;
top: 150px;
font-family: Arial, Helvetica, sans-serif;
font-size: 20px;
}
.warning {
position: absolute;
color: white;
text-align: left;
left: 150px;
top: 50px;
font-family: Arial, Helvetica, sans-serif;
font-size: 20px;
}
select {
width: 120px;
}
select:focus {
min-width: 120px;
width: auto;
}
#media screen and (max-width: 500px) {
.navbar a {
float: none;
display: block;
}
}
</style>
<script>
document.addEventListener("DOMContentLoaded", function () {
let isformvalid = false;
document.getElementById("submit-button").disabled = !isformvalid;
document.getElementById("whiteplayername").addEventListener("change", function () {
let blackplayername =
document.getElementById("blackplayername");
let firstnameblack =
document.getElementById("firstnameblack");
let firstnamewhite =
document.getElementById("firstnamewhite");
let lastnamewhite =
document.getElementById("lastnamewhite");
let lastnameblack =
document.getElementById("lastnameblack");
disablewhenmandatorynamemissingwhitename(this.value, blackplayername, firstnameblack, firstnamewhite, lastnameblack, lastnamewhite);
isformvalid = checkeitherfirstorfullnamepopulated (this.value, firstnamewhite, blackplayername, firstnameblack, isformvalid);
document.getElementById("submit-button").disabled = !isformvalid;
});
});
function disablewhenmandatorynamemissingwhitename(whiteplayername, blackplayername, firstnameblack, firstnamewhite, lastnameblack, lastnamewhite) {
if (whiteplayername !== "") {
firstnamewhite.disabled = true;
lastnamewhite.disabled = true;
} else {
firstnamewhite.disabled = false;
lastnamewhite.disabled = false;
}
}
function disablewhenmandatorynamemissingblackname(whiteplayername, blackplayername, firstnameblack, firstnamewhite, lastnameblack, lastnamewhite) {
if (blackplayername !== "") {
firstnameblack.disabled = true;
lastnameblack.disabled = true;
} else {
firstnameblack.disabled = false;
lastnameblack.disabled = false;
}
};
function checkeitherfirstorfullnamepopulated(whiteplayername, firstnamewhite, blackplayername, firstnameblack, isformvalid) {
if ((whiteplayername === "" || whiteplayername === null) && (firstnamewhite.trim() === "")) {
return false;
}
else if ((blackplayername === "" || blackplayername === null) && (firstnameblack.trim() === "")) {
return false;
}
return true;
};
</script>
<body style="background-color:rgb(68, 57, 57);">
<div class="warning">
<p id="warningtext"></p><br>
</div>
<div class="topnav">
<a th:href="#{main.html}"><i class="material-icons"
style="border:2px;font-size:60px;color:rgb(0, 0, 0);">arrow_back</i></a>
</div>
<div class="formformat">
<form th:object="${game}" th:action="#{/addgame}" th:method="post">
<label for="whiteplayername">Select white player:</label>
<select name="whiteplayername" id="whiteplayername" th:object="${names}" th:field="${game.whitePlayerName}">
<option th:value="null" th:selected="${game.name == null}"></option>
<th:block th:each="name : ${names}">
<option th:value="${name.name}"
th:text="${name.name}"></option>
</th:block>
</select>
<label for="blackplayername">Select black player:</label>
<select name="blackplayername" id="blackplayername" th:object="${names}" th:field="${game.blackPlayerName}">
<option th:value="null" th:selected="${game.name == null}"></option>
<th:block th:each="name : ${names}">
<option th:value="${name.name}"
th:text="${name.name}"></option>
</th:block>
</select><br><br>
<label for="firstnamewhite">First name white:</label>
<input type="text" id="firstnamewhite" th:field="*{firstNameWhite}"/>
<label for="firstnameblack">First name black:</label>
<input type="text" id="firstnameblack" th:field="*{firstNameBlack}"/><br><br>
<label for="lastnamewhite">Last name white:</label>
<input type="text" id="lastnamewhite" th:field="*{lastNameWhite}"/>
<label for="lastnameblack">Last name black:</label>
<input type="text" id="lastnameblack" th:field="*{lastNameBlack}"/><br><br>
<label for="date">Date:</label><br>
<input type="date" id="date" th:field="*{date}">
<table>
<tr>
<th>Move</th>
<th>White</th>
<th>Black</th>
</tr>
<tr>
<td>1</td>
<td><input type="text" id="white1" th:field="*{moves}"></td>
<td><input type="text" id="black1" th:field="*{moves}"></td>
</tr>
</table>
<input type="submit" value="Submit" id="submit-button">
</form>
</div>
<br><br>
</body>
</html>
Here's a solution that should meet all your requirements:
<script type="module">
const form = document.getElementById("form");
const submitButton = document.getElementById("submitbutton");
const whitePlayerName = document.getElementById("whiteplayername");
const blackPlayerName = document.getElementById("blackplayername");
const firstNameBlack = document.getElementById("firstnameblack");
const firstNameWhite = document.getElementById("firstnamewhite");
const lastNameWhite = document.getElementById("lastnamewhite");
const lastNameBlack = document.getElementById("lastnameblack");
form.addEventListener('change', () => {
const whiteNameSelected = whitePlayerName.value;
// Disable white name inputs if white name is selected in the dropdown
firstNameWhite.disabled = whiteNameSelected;
lastNameWhite.disabled = whiteNameSelected;
// Determine if the white name is either selected or typed in the inputs
const validWhiteName = whiteNameSelected || (firstNameWhite.value && lastNameWhite.value);
const blackNameSelected = blackPlayerName.value;
// Disable black name inputs if black name is selected in the dropdown
firstNameBlack.disabled = blackNameSelected;
lastNameBlack.disabled = blackNameSelected;
// Determine if the black name is either selected or typed in the inputs
const validBlackName = blackNameSelected || (firstNameBlack.value && lastNameBlack.value);
const submitAvailable = validWhiteName && validBlackName;
submitButton.disabled = !submitAvailable;
});
</script>
<form th:object="${game}" th:action="#{/addgame}" th:method="post" id="form">
<label for="whiteplayername">Select white player:</label>
<select name="whiteplayername" id="whiteplayername" th:object="${names}" th:field="${game.whitePlayerName}">
<option th:value="null" th:selected="${game.name == null}"></option>
<option value="name1">Name 1</option>
<option value="name2">Name 2</option>
</select>
<label for="blackplayername">Select black player:</label>
<select name="blackplayername" id="blackplayername" th:object="${names}" th:field="${game.blackPlayerName}">
<option th:value="null" th:selected="${game.name == null}"></option>
<option value="name1">Name 1</option>
<option value="name2">Name 2</option>
</select><br><br>
<label for="firstnamewhite">First name white:</label>
<input type="text" id="firstnamewhite" th:field="*{firstNameWhite}"/>
<label for="firstnameblack">First name black:</label>
<input type="text" id="firstnameblack" th:field="*{firstNameBlack}"/><br><br>
<label for="lastnamewhite">Last name white:</label>
<input type="text" id="lastnamewhite" th:field="*{lastNameWhite}"/>
<label for="lastnameblack">Last name black:</label>
<input type="text" id="lastnameblack" th:field="*{lastNameBlack}"/><br><br>
<label for="date">Date:</label><br>
<input type="date" id="date" th:field="*{date}">
<button id="submitbutton" disabled>Submit</button>
</form>
It works by combining all the logic into a single handler for the entire form change. Then, if a name is selected in the dropdown, it disables the custom name fields, if not, it leaves them enabled. The code checks to make sure both white and black name are valid and depending on that sets the submit button enabled/disabled state.
You didn't post your whole HTML so I added the button by hand and also your selects are populated dynamically so I had to hardcode some options in them. Please, for Stack Overflow questions, always post examples reproducible by other people to aid them in helping you.
Can you provide the html code too? I also recommend to name properly ur variables and fucntions beacuase are pretty illegibles by the way. Try to type the first letter of each word that compunds the varibale in uppercase at least.
Instead of:
let firstnameblack
Do:
let firstNameBlack
I also recommend to put 2 or 3 letters according to what specifies this varibale, for example if it's a button, do:
let btnFirstNameBlack
Anyways if you can provide the html code maybe I can help you with the button issue.

I have created a form using HTML and Javascript, I want to display the specific dialogue based on numeber of selection. But alert does not work here

The idea is for the user to select the options and the best employment
sector would be suggested by the form based on his selection.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content=
"width=device-width, initial-scale=1.0">
<title>
Survey that will will give you suggestion.
</title>
<style>
/* Styling the Body element i.e. Color,
Font, Alignment */
body {
background-color: #05c46b;
font-family: Verdana;
text-align: center;
}
/* Styling the Form (Color, Padding, Shadow) */
form {
background-color: #fff;
max-width: 500px;
margin: 50px auto;
padding: 30px 20px;
box-shadow: 2px 5px 10px rgba(0, 0, 0, 0.5);
}
/* Styling form-control Class */
.form-control {
text-align: left;
margin-bottom: 25px;
}
/* Styling form-control Label */
.form-control label {
display: block;
margin-bottom: 10px;
}
/* Styling form-control input,
select, textarea */
.form-control input,
.form-control select,
.form-control textarea {
border: 1px solid #777;
border-radius: 2px;
font-family: inherit;
padding: 10px;
display: block;
width: 95%;
}
/* Styling form-control Radio
button and Checkbox */
.form-control input[type="radio"],
.form-control input[type="checkbox"] {
display: inline-block;
width: auto;
}
/* Styling Button */
button {
background-color: #05c46b;
border: 1px solid #777;
border-radius: 2px;
font-family: inherit;
font-size: 21px;
display: block;
width: 100%;
margin-top: 50px;
margin-bottom: 20px;
}
</style>
</head>
The form is made with HTML. and for javascript operations i have added
value=1 in the checkbox for generating the different output string.
please view the code below to understand better.
<body>
<h1>Your job type survey suggestion quiz</h1>
<!-- Create Form -->
<form id="form">
<!-- Details -->
<div class="form-control">
<label for="name" id="label-name">
Name
</label>
<!-- Input Type Text -->
<input type="text"
id="name"
placeholder="Enter your name" />
</div>
<div class="form-control">
<label for="email" id="label-email">
Email
</label>
<!-- Input Type Email-->
<input type="email"
id="email"
placeholder="Enter your email" />
</div>
<div class="form-control">
<label for="age" id="label-age">
Age
</label>
<!-- Input Type Text -->
<input type="text"
id="age"
placeholder="Enter your age" />
</div>
<div class="form-control">
<label for="role" id="label-role">
Which option best describes you?
</label>
<!-- Dropdown options -->
<select name="role" id="role">
<option value="student">Student</option>
<option value="intern">Intern</option>
<option value="professional">
Professional
</option>
<option value="other">Other</option>
</select>
</div>
<div class="form-control">
<label>
DO you like studying?
</label>
<!-- Input Type Radio Button -->
<label for="recommed-1">
<input type="radio"
id="recommed-1"
name="recommed">Yes</input>
</label>
<label for="recommed-2">
<input type="radio"
id="recommed-2"
name="recommed">No</input>
</label>
<label for="recommed-3">
<input type="radio"
id="recommed-3"
name="recommed">Maybe</input>
</label>
</div>
<div class="form-control">
<label>Skills that you have
<small>(Check all that apply)</small>
</label>
<!-- Input Type Checkbox -->
<label for="inp-1">
<input type="checkbox" name="inp" id="c" value=1>Coding</input></label>
<label for="inp-2">
<input type="checkbox" name="inp" id="d" value=2>Dancing</input></label>
</div>
<button onclick="checkCheckbox()">
Submit
</button>
</form>
Here as of now only 2 questions are in the form, I want to add more
questions and on based of the selection the form will suggest. In this
the alert or any message i`enter code here`s not shown neither there is any error.
<script>
function checkCheckbox() {
var c = document.getElementById("c");
var d = document.getElementById("d");
var add=0
if (c.checked == true){
var y = document.getElementById("c").value;
var add=y;
return add;
}
else if (d.checked == true){
var n = document.getElementById("d").value;
var add += n;
}
else {
return document.getElementById("error").innerHTML = "*Please mark any of checkbox";
}
if(add==2){
alert('You are multi-talented! become a dancer or a coder');
}
else{
alert('Become a coder');
</script>
</body>
</html>
here on selecting dancing and coding a different output should be
given and on selecting either dancing or either coding a different
output string should be shown. please suggest for any modifications or
if there is a better way to complete this idea.
There are several errors in the script section. You can use Web Developer debugging in your browser to check them out. I can see that you are new to coding in general, so there are a couple of common mistakes we've all made in the beginning.
This is one way of writing the function so it works as I think you intended it:
function checkCheckbox() {
var c = document.getElementById("c");
var d = document.getElementById("d");
var add = 0, val;
if (c.checked == true){
val = "coder";
add += 1;
}
if (d.checked == true){
val = "dancer";
add += 1;
}
if (add == 2) {
alert('You are multi-talented! become a dancer or a coder');
return true;
}
else if (add == 1) {
alert('Become a ' + val);
return true;
}
else {
document.getElementById("error").innerHTML = "*Please mark any of checkbox";
return false;
}
}
Also, you need to add return in the event handler of the button, to avoid it submitting when the form is invalid:
<button onclick="return checkCheckbox()">Submit</button>
And lastly add an element for the error message that is referred to in the script. Something like:
<div id="error"></div>

how enable the check box after disable?

i wrote code this i want to disable the input after check box has checked .it's OK i did that.another function is about when i click the input after that the check box has to disable .
my problem is if i want to click on check box then the check box enable after that .
this my code ;
function clickcity() {
var checkBox = document.getElementById("city-new-ad");
var myinput = document.getElementById("select-city-ad");
if (document.getElementById("city-new-ad").disabled == true) {
document.getElementById("select-city-ad").disabled == true;
}
if (document.getElementById("city-new-ad").disabled == false) {
if (checkBox.checked == true) {
document.getElementById("select-city-ad").disabled == true;
} else {
document.getElementById("select-city-ad").disabled == false;
}
}
}
function clickphone() {
var checkBox = document.getElementById("phone-ad");
if (checkBox.checked == true) {
document.getElementById("another-phone").disabled = true;
} else {
document.getElementById("another-phone").disabled = false;
}
}
function clickcity_option() {
document.getElementById("city-new-ad").disabled = true;
}
function clickphone_option() {
document.getElementById("phone-ad").disabled = true;
}
<div class="form-group">
<label for="exampleInputPassword1">phone number:</label>
<span>my phone number</span>
<input type="checkbox" id="phone-ad" onclick="clickphone()">
<br>
<span class="my-phone-ne">another phone : </span>
<input type="text" class="form-control input-register"
onclick="clickphone_option()" id="another-phone"
style="border: 1px solid #370DFF; display: inline-block; width: 30% !important; margin-right: 5px !important;">
</div>
<div class="form-group">
<label for="exampleInputPassword1">address: </label>
<span>my town</span>
<input type="checkbox" id="city-new-ad" onclick="clickcity()">
<select class="custom-select select-search select-width"
onclick="clickcity_option()" id="select-city-ad"
style=" border: 1px solid #370DFF; width: 20%;">
<option selected
style="overflow-wrap: break-word !important; text-align: center !important;">
choose city</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>
</div>
made changes in HTML added onkeyup instead of onclick
<input type="text" class="form-control input-register" onkeyup="clickphone_option(this)" id="another-phone" style=" border:1px solid #370DFF; display: inline-block; width: 30% !important ;margin-right: 5px !important;">
In js clickphone_option function added a if condition, which checks if input vale is > 0 if its > 0 it will disable checkbox and if you backspace all value of checkbox it will enable checkbox again.
function clickphone_option(a) {
if(a.value.lenght>0){
document.getElementById("phone-ad").disabled = true;
}else{
document.getElementById("phone-ad").disabled = false;
}
}

Is it possible to take more than one input from a textbox in a php form?

I am trying to make a calculator program in php code.
I made it using html and javascript, but I've been told to use php code for the logical part.
Is there any way we can take more than one input from a textbox, in a php form ?
Yes, you can easily use multiple inputs in a form, by giving them different names and accessing them through $_REQUEST['input_name'].
In this example, what I am doing is taking the selected checkboxes from the popup and putting them into the text input field in the main form as a comma-separated list.
HTML
<input type="text" id="entry-r1" placeholder="place" tabindex="1">
<a class="show-lookup button" href="#" id="popup-r1" tabindex="2"><i class="fa fa-search"></i></a>
<div class="overlay"> </div>
<div class="lookup-multiselect" id="lookup-r1">
<a class="button close-button right">x</a>
<form action="" id="form-r1" name="form-r1" method="post">
<input class="checkall" id="checkall" type="checkbox">
<label for="checkall" class="narrow">Select all</label>
<p class="category" id="checkboxes-r1"><strong>Select...</strong><br>
<input class="js-popup-focus" type="checkbox" name="place" id="antwerp" value="Antwerp" tabindex="3"> <label for="antwerp">Antwerp</label><br>
<input type="checkbox" name="place" id="berlin" value="Berlin" tabindex="3"> <label for="berlin">Berlin</label><br>
<input type="checkbox" name="place" id="cairo" value="Cairo" tabindex="3"> <label for="cairo">Cairo</label><br>
<input type="checkbox" name="place" id="duss" value="Düsseldorf" tabindex="3"> <label for="duss">Düsseldorf</label><br>
</p>
</form>
Use selected
</div>
CSS
.overlay {
display: none;
position: fixed;
text-align: center;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
opacity: 0.7;
background: #333;
}
.lookup-popup, .lookup-multiselect {
padding: 0.5em;
display: none;
z-index: 99999;
background-color: #fff;
position: absolute;
top: 5em;
left: 25%;
width: 20%;
}
jQuery
$(document).ready(function ()
{
/* get id of form to work with */
$('.show-lookup').click(function()
{
var pairedId = $(this).attr('id').split('-');
var lookupToDisplay = '#lookup-' + pairedId[1];
$('.overlay').show();
$(lookupToDisplay).show();
$('.js-popup-focus').focus();
});
/* put value selected in lookup into field in main form */
$('.lookup-popup input').on('change', function()
{
var fieldname = $(this).attr('name');
var pairedId = $(this).parent().attr('id').split('-');
var selOption = $('input[name='+fieldname+']:checked').val();
$("#entry-"+pairedId[1]).val(selOption);
});
/* for checkbox version, append selected values to field in main form */
$('.lookup-multiselect input').on('change', function()
{
var pairedId = $(this).parent().attr('id').split('-');
//event.preventDefault();
var selOptions = $(".category input:checkbox:checked").map(function(){
return $(this).val();
}).get(); // <----
//console.log(selOptions);
var selectedString = selOptions.toString();
$("#entry-"+pairedId[1]).val(selOptions);
});
$('.close-button').click(function()
{
$(this).parent().hide();
var pairedId = $(this).parent().attr('id').split('-');
$('.overlay').hide();
$("#entry-"+pairedId[1]).focus();
});
});

Form validation, normal button, red box and clean data

I have a popup form and I have to validate fields in this form before I close this popup, I need to use this validation with a normal button, not a submit, if the fields are emty I need to mark these on a red box and put the 'This field is empty' after. After I close the form I need to clean up data from form. How should I do this using jQuery and Javascript?
<form id="frmUsers" data-userid="">
<img id="btnClose" src="resources/img/close_window.png">
<h2 id="popupTitle"></h2>
<ul>
<li>
<label for="username">Username:</label>
<input type="text" id="username" name="txtUsername" placeholder="Please select username" class="required"/>
<p></p>
</li>
<li>
<label for="level">Level:</label>
<input type="number" id="level" name="txtLevel" placeholder="Please select level"/>
<p></p>
</li>
<li>
<label for="registrationStatus">RegistrationStatus:</label>
<select name="txtRegistrationStatus" id="registrationStatus"
placeholder="Please select registration status">
<option value="Registered">Registered</option>
<option value="Unregistered">Unregistered</option>
</select>
<p></p>
</li>
<li>
<label for="registrationDate">RegistrationDate:</label>
<input type="text" id="registrationDate" name="txtRegistrationDate"
placeholder="Please select date"/>
<p></p>
</li>
<div class="btnZone">
<input class="btnDown" type="button" value=" " id="btnPopup" />
<input class="btnDown" type="button" value="Cancel" id="btnCancel"/>
</div>
</ul>
</form>
And my form validation function:
function validateForm() {
var txtUsername = $("#username").val();
if(txtUsername == ""){
("#username").css("border-color", "red");
}
// $(":input").each(function () {
// if ($(this).val() == "") {
// $(this).css("border-color", "red");
// // $("p").html("This field is empty");
// // $("input").val("This field is required");
// // alert($(this).attr("id") & " validate error");
// }else{
// $(this).css("border-color", "black");
// }
//
// });
}
You can use one of many popup/modal plugins, but if you want to create your own, than you should do something similar to this:
var txtUsername = $("#username");
function validateForm() {
txtUsernameValid = $.trim(txtUsername.val());
txtUsername.toggleClass('invalid-input', !txtUsernameValid);
return txtUsernameValid;
};
$('[data-popup]').each(function(i) {
var thisButton = $(this);
var toPopup = $(thisButton.data('popup'));
toPopup.wrap('<div class="popup-container"><div class="popup-content"></div></div>');
var popupContainer = toPopup.closest('.popup-container').hide();
popupContainer.find('.popup-content').append('<span class="popup-close">X</span>')
thisButton.on('click', function(e) {
e.preventDefault();
popupContainer.show();
});
popupContainer.find('.popup-close').on('click', function(e) {
popupContainer.hide();
});
popupContainer.find('#btnSave').on('click', function(e) {
/* Save your data, than reset the form */
if( validateForm() ) {
popupContainer.find('form')[0].reset();
popupContainer.hide();
};
});
popupContainer.find('#btnCancel').on('click', function(e) {
popupContainer.find('form')[0].reset();
popupContainer.hide();
});
});
body {
font-family: sans-serif;
}
.popup-container {
background: none rgba(0, 0, 0, .5);
position: fixed;
left: 0;
top: 0;
right: 0;
bottom: 0;
width: 100%;
height: 100%;
text-align: center;
}
.popup-container::before {
content: "";
display: inline-block;
height: 100%;
vertical-align: middle;
}
.popup-content {
position: relative;
display: inline-block;
vertical-align: middle;
background: none #fff;
padding: 10px 20px;
text-align: left;
}
form ul {
list-style: none;
padding: 0;
}
.popup-close {
display: inline-block;
padding: 4px;
position: absolute;
top: 5px;
right: 5px;
cursor: pointer;
}
.invalid-input {
border: 1px solid red;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button data-popup="#frmUsers">
Open form
</button>
<form id="frmUsers" data-userid="">
<img id="btnClose" src="resources/img/close_window.png">
<h2 id="popupTitle"></h2>
<ul>
<li>
<label for="username">Username:</label>
<input type="text" id="username" name="txtUsername" placeholder="Please select username" class="required" />
<p></p>
</li>
<li>
<label for="level">Level:</label>
<input type="number" id="level" name="txtLevel" placeholder="Please select level" />
<p></p>
</li>
<li>
<label for="registrationStatus">RegistrationStatus:</label>
<select name="txtRegistrationStatus" id="registrationStatus" placeholder="Please select registration status">
<option value="Registered">Registered</option>
<option value="Unregistered">Unregistered</option>
</select>
<p></p>
</li>
<li>
<label for="registrationDate">RegistrationDate:</label>
<input type="text" id="registrationDate" name="txtRegistrationDate" placeholder="Please select date" />
<p></p>
</li>
<div class="btnZone">
<input class="btnDown" type="button" value="Save" id="btnSave" />
<input class="btnDown" type="button" value="Cancel" id="btnCancel" />
</div>
</ul>
</form>
It is not complicated indeed, but I never try to invent hot water, I just take one of existing plugins, as Magnific Popup.
Same code on JSFiddle.

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