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<!DOCTYPE html> <html> <body> <p>Click the button to loop through the frames on this page, and change the location of every frame to "w3schools.com".</p> <button onclick="myFunction()">Try it</button> <br><br> <iframe src="../../www.cnn.com/index.html"></iframe> <iframe src="../../www.bbc.com/index.html"></iframe> <iframe src="../../www.nytimes.com/index.html"></iframe> <script> function myFunction() { var frames = window.frames; var i; for (i = 0; i < frames.length; i++) { frames[i].location = "http://www.w3ii.com"; } } </script> </body> </html>