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HTML onbeforeprint Attribute

Definition and Usage

The onbeforeprint attribute fires when a page is about to be printed (before the print dialogue box appears).

Tip: The onbeforeprint attribute is often used together with the onafterprint attribute.

Applies to

The onbeforeprint attribute is part of the Event Attributes, and can be used on the following element:

Elements Event
<body> onbeforeprint

Browser Support

How to Execute a JavaScript when a page is about to be printed

Try to print this document Tip: Keyboard shortcuts, such as Ctrl+P sets the page to print. Note: The onbeforeprint event is not supported in Safari and Opera.
index.html
Example: HTML 

<h1>Try to print this document</h1>
<p><b>Tip:</b> Keyboard shortcuts, such as Ctrl+P sets the page to print.</p>
<p><b>Note:</b> The onbeforeprint event is not supported in Safari and Opera.</p>
<script>
function myFunction() { alert("You are about to print this document!");
}
</script>

Output should be:

How to Execute a JavaScript when a page is about to be printed


onbeforeprint attribute

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Single Articles
How to Execute a JavaScript when a page is about to be printed HTML Attribute

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Category :
 Web Tutorial
Sub Category :
 HTML Attribute
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