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<!DOCTYPE html> <html> <body> <h1>The Window Object</h1> <h2>The frames Property</h2> <p>Set the color of every frame:</p> <iframe style="width:100%;height:100px"></iframe> <iframe style="width:100%;height:100px"></iframe> <iframe style="width:100%;height:100px"></iframe> <script> const frames = window.frames; for (let i = 0; i < frames.length; i++) { frames[i].document.body.style.background = "red"; } </script> </body> </html>
