The onbeforeprint attribute works when a page is about to be printed. The alert message display before the print dialogue box appears. The onbeforeprint attribute is used with the onafterprint attribute.
Supported Tags
Syntax:
<element onbeforeprint = "script">
Attribute Value: This attribute contains single attribute value script and it works when document is about to print. This attribute is supported by <body> tag.
Example:
html
<!DOCTYPE html>
< html >
< head >
< title >onbeforeprint attribute</ title >
< style >
body {
text-align:center;
}
h1 {
color:green;
}
</ style >
</ head >
< body onbeforeprint = "myFunction()" >
< h1 >GeeksforGeeks</ h1 >
< h2 >onbeforeprint attribute</ h2 >
< script >
function myFunction() {
alert("This document is ready to be printed");
}
</ script >
</ body >
</ html >
|
Output:

Supported Browsers: The browser supported by onbeforeprint attribute are listed below:
- Chrome 63
- Edge 12
- Internet Explorer 9
- Firefox 6
- Safari 13
- Opera 50
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