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JavaScript onload Event
The onload event in JavaScript triggers when a web page loads in a browser.
Note - The onload Event is defined in BODY element.
JavaScript onload Event Example
Here is an example demonstrates onload event in JavaScript:
<!DOCTYPE HTML> <html> <head> <title>JavaScript onload Event</title> </head> <body onload="alert('Welcome to JavaScript from codescracker.com!')"> <h3>JavaScript onload Event Example</h3> <p>You will see an alert box showing an alert message on body load.</p> </body> </html>
Here is the sample output of the above JavaScript onload event example:

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