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How To Create a Modal Box

Pushpa Raj Dangi May 27, 2019

A modal is a dialog box/popup window that is displayed on top of the current page:

<style>
body {
font-family: Arial, Helvetica, sans-serif;
}
/* The Modal (background) */

.modal {
display: none;
position: fixed;
z-index: 1;
padding-top: 100px;
left: 0;
top: 0;
width: 100%;
height: 100%;
overflow: auto;
background-color: rgb(0, 0, 0);
background-color: rgba(0, 0, 0, 0.78);
}
/* Modal Content */

.modal-content {
background-color: #893;
margin: auto;
padding: 20px;
border: 1px solid #888;
width: 80%;
}
/* The Close Button */

.close {
color: #aaaaaa;
float: right;
background: #fff;
width: 2rem;
height: 2rem;
font-size: 28px;
border-radius: 50%;
text-align: center;
font-weight: bold;
}

.close:hover,
.close:focus {
color: #000;
text-decoration: none;
cursor: pointer;
}
</style>
</head>

<body>

<h2>This is Modal Sample you can modify</h2>


<button id="myBtn">Open Modal</button>


<div id="myModal" class="modal">


<div class="modal-content">
<span class="close">×</span>
<img style="width:90%" src="https://optimistaker.com/wp-content/uploads/2017/12/I-love-free-images.jpg">
<p>Some text in the Modal..</p>
</div>

</div>

<script>
// Get the modal
var modal = document.getElementById("myModal");

// Get the button that opens the modal
var btn = document.getElementById("myBtn");

// Get the <span> element that closes the modal
var span = document.getElementsByClassName("close")[0];

// When the user clicks the button, open the modal
btn.onclick = function() {
modal.style.display = "block";
}

// When the user clicks on <span> (x), close the modal
span.onclick = function() {
modal.style.display = "none";
}

// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
if (event.target == modal) {
modal.style.display = "none";
}
}
</script>

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