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<html><body onbeforeprint="myFunction()"><h1>HTML DOM Events</h1><h2>The beforeprint Event</h2><p>This example assigns an "onbeforeprint" event to the body element.</p><h3>Print this document!</h3><p><b>Tip</b>: The keyboard shortcut Ctrl+P prints a page.</p><script> function myFunction() { alert("You are about to print this document!"); }</script></body><!-- /jsref/tryit.asp?filename=tryjsref_onbeforeprint_html Thu, 06 Feb 2025 18:36:45 GMT --></html>