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<html><body><iframe id="myFrame" src="../default.html" height="200" width="250"></iframe><p>Click the button to change the height and width of the iframe to 400px.</p><button onclick="myFunction()">Try it</button><script>function myFunction() { document.getElementById("myFrame").height = "400"; document.getElementById("myFrame").width = "400";}</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_iframe_height3 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 05 Sep 2022 15:53:02 GMT --></html>