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How to create a modal popup using JavaScript and CSS?
Creating a modal popup means adding a dialog box, which generates on click of a button and close when user clicks anywhere outside of the popup.
Here’s how a popup looks like below with header and a text. You can also add a footer to it −
To create a modal popup using CSS and JavaScript, try to run the following code −
Example
<!DOCTYPE html>
<html>
<head>
<style>
.popup {
display: none;
position: fixed;
z-index: 1;
left: 0;
top: 0;
width: 100%;
height: 100%;
background-color: #F1F1F1;
background-color: rgba(0,0,0,0.4);
-webkit-animation-name: fadeIn;
-webkit-animation-duration: 0.4s;
animation-name: fadeIn;
animation-duration: 0.4s
}
.popup-content {
position: fixed;
bottom: 0;
background-color: #ffffff;
width: 100%;
-webkit-animation-name: slideIn;
-webkit-animation-duration: 0.5s;
animation-name: slideIn;
animation-duration: 0.5s
}
.end {
color: white;
float: right;
font-size: 15px;
font-weight: bold;
}
.end:hover,
.end:focus {
color: #000;
text-decoration: underline;
cursor: pointer;
}
.popup-header {
padding: 1px 10px;
background-color: #8AC1E0;
color: white;
}
.popup-body {padding: 1px 5px;}
@-webkit-keyframes slideIn {
from {bottom: -300px; opacity: 0}
to {bottom: 0; opacity: 1}
}
@keyframes slideIn {
from {bottom: -300px; opacity: 0}
to {bottom: 0; opacity: 1}
}
@-webkit-keyframes fadeIn {
from {opacity: 0}
to {opacity: 1}
}
@keyframes fadeIn {
from {opacity: 0}
to {opacity: 1}
}
</style>
</head>
<body>
<h2>Heading</h2>
<button id="btn">Click for Popup</button>
<div id="myModal" class="popup">
<!-- Modal content -->
<div class="popup-content">
<div class="popup-header">
<span class="end">×</span>
<h2>Header</h2>
</div>
<div class="popup-body">
<p>Demo Text</p>
</div>
</div>
</div>
<script>
var popup = document.getElementById('myModal');
var myBytton = document.getElementById("btn");
var span = document.getElementsByClassName("end")[0];
myBytton.onclick = function() {
popup.style.display = "block";
}
span.onclick = function() {
popup.style.display = "none";
}
window.onclick = function(event) {
if (event.target == popup) {
popup.style.display = "none";
}
}
</script>
</body>
</html>
Updated on: 16-Jun-2020
417 Views
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