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Definition and UsageThe onhashchange attribute fires when there has been changes to the anchor part (begins with a '#' symbol) of the current URL. An example of what an anchor part actually is: Assume that the current URL is To invoke this event, you can:
Browser SupportThe numbers in the table specify the first browser version that fully supports the event attribute.
Syntax
Attribute Values
Technical Details
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Example of HTML onhashchange Event Attribute
Here executes a JavaScript when the anchor part has been changed
index.html
Example:
HTML
<!DOCTYPE html>
<html>
<body onhashchange="myFunction()">
<p>Click the button to change the anchor part of the current URL to #part5</p>
<button onclick="changePart()">Try it</button>
<p id="demo"></p>
<script>
// Using the location.hash property to change the anchor part
function changePart() {
location.hash = "part5";
let x = "The anchor part is now: " + location.hash;
document.getElementById("demo").innerHTML = x;
}
// Alert some text if there has been changes to the anchor part
function myFunction() {
alert("The anchor part has changed!");
}
</script>
</body>
</html>
Output should be:
How to add a JavaScript when the anchor part has been changed
Click the button to change the anchor part of the current URL to #part5
index.html
Example:
HTML
<!DOCTYPE html>
<html>
<body onhashchange="myFunction()">
<p>Click the button to change the anchor part of the current URL to #part5</p>
<button onclick="changePart()">Try it</button>
<p id="demo"></p>
<script>
// Using the location.hash property to change the anchor part
function changePart() {
location.hash = "part5";
let x = "The anchor part is now: " + location.hash;
document.getElementById("demo").innerHTML = x;
}
// Alert some text if there has been changes to the anchor part
function myFunction() {
alert("The anchor part has changed!");
}
</script>
</body>
</html>
Output should be:
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Read Full: | Window Event Attributes |
Type: | Develop |
Category: | Web Tutorial |
Sub Category: | Window Event Attributes |
Uploaded by: | Admin |
Views: | 14 |
Reffered: https://www.w3schools.com/tags/ev_onhashchange.asp