HTML | onbeforeprint Event Attribute
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> <!-- The script run when page will ready to print --> <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 63.0 and above
- Internet Explorer
- Firefox
- Safari: Not supported
- Opera: Not supported
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