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<!DOCTYPE html> <html> <body> <p>This example uses the addEventListener() method to attach a "load" event to an iframe element.</p> <iframe id="myFrame" src="../default.html"></iframe> <p id="demo"></p> <script> document.getElementById("myFrame").addEventListener("load", myFunction); function myFunction() { document.getElementById("demo").innerHTML = "Iframe is loaded."; } </script> </body> </html>