Javascript DOM onclick Event

Introduction

Execute a JavaScript when a button is clicked:

Click the button to trigger a function that will output "Hello World" in a p element with id="demo".

The onclick event is used to trigger a function when an element is clicked on.

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<!DOCTYPE html>
<html>
<body>
<button onclick="myFunction()">Click me</button>
<p id="demo"></p>
<script>
function myFunction() {/*from w  w w  .j a va  2  s . c o m*/
  document.getElementById("demo").innerHTML = "Hello World";
}
</script>

</body>
</html>

The onclick event occurs when the user clicks on an element.

Bubbles:
Cancelable:
Event type:
Supported HTML tags:












Yes
Yes
MouseEvent
All HTML elements,
EXCEPT:
<base>,
<bdo>,
<br>,
<head>,
<html>,
<iframe>,
<meta>,
<param>,
<script>,
<style>, and
<title>



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