HTML onclick Event Attribute
Last Updated :
20 Dec, 2023
The onclick event attribute in HTML works when the user clicks on the button. When the mouse clicked on the element then the script runs. It basically executes a script or function on a click event and is used for interactive elements like buttons and links.
Syntax
<element onclick = "script">
Attribute Value
This attribute contains a single value script that works when the mouse clicked on the element.
Example 1:
This example shows the simple onClick event where the button is clicked to display the date & time in HTML.
HTML
<!DOCTYPE html>
< html >
< style >
body{
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
font-family: sans-serif;
}
h2{
color: green;
}
</ style >
< body >
< h2 >GeeksforGeeks</ h2 >
< h3 >onClick Event Attribute</ h3 >
< span >
Click the button to see the date & time.
</ span >
< button onclick="getElementById('time').
innerHTML = Date ()">
Show Date
</ button >
< p id = "time" ></ p >
</ body >
</ html >
|
Output:
Output
Example 2:
In this example, when the “Click Here” will be clicked then the text “Welcome to GeeksforGeeks” will be displayed.
HTML
<!DOCTYPE HTML>
< html >
< head >
< title > onclick event attribute </ title >
< style >
body {
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
font-family: sans-serif;
}
h2 {
color: green;
}
</ style >
</ head >
< body >
< h2 >GeeksforGeeks</ h2 >
< h3 >onClick Event Attribute</ h3 >
< p id = "geeks" onclick = "onclick_event()" >
Click Here
</ p >
< script >
/* If onclick event call then
this script will run */
function onclick_event() {
document.getElementById("geeks").innerHTML =
"Welcome to GeeksforGeeks!";
}
</ script >
</ body >
</ html >
|
Output:
Output
Supported Tags
It supports All HTML elements, EXCEPT below listed elements:
Supported Browser
- Google Chrome 1 and above
- Edge 12 and above
- Firefox 6 and above
- Opera 11.6 and above
- Safari 3 and above
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