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<html><body><iframe id="myFrame" src="../default.html"></iframe><p>Click the button to change the value of the src attribute in the iframe.</p><button onclick="myFunction()">Try it</button><script>function myFunction() { document.getElementById("myFrame").src = "https://wwf.org/";}</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_iframe_src2 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 18:16:52 GMT --></html>