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<!DOCTYPE html> <html> <body> <iframe id="myFrame" src="/default.asp" name="iframe_a"></iframe> <p>Click the button to change the name of the iframe.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { document.getElementById("myFrame").name = "newIframeName"; document.getElementById("demo").innerHTML = "The name of the iframe was changed from 'iframe_a' to 'newIframeName'."; } </script> </body> </html>
