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HTML onhashchange Event Attribute
The HTML onhashchange event attribute is triggered when there is a change in the anchor part of the URL in an HTML document.
Syntax
Following is the syntax −
<tagname onhashchange=”script”></tagname>
Let us see an example of HTML onhashchange event attribute−
Example
<!DOCTYPE html>
<html>
<head>
<style>
body {
color: #000;
height: 100vh;
background-color: #FBAB7E;
background-image: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%);
text-align: center;
}
.btn {
background: #db133a;
border: none;
color: #fff;
height: 2rem;
padding: 8px 10px;
}
</style>
</head>
<body onhashchange="hashChange()">
<h1>HTML onhashchange Event Attribute Demo</h1>
<button class="btn" onclick="change()">Set Hash</button>
<p class="msg"></p>
<script>
function change() {
location.hash = "newHashPart";
document.querySelector('.msg').innerHTML = 'The hash part of the URL is: ' + location.hash;
}
function hashChange() {
document.body.style.background = 'lightblue';
}
</script>
</body>
</html>Output
Click on “Set Hash” button to set a new hash to current URL and observe how onhashchange event attribute works:
Updated on: 27-Sep-2019
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