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<html><head><link id="myLink" rel="icon" href="demo_icon.gif" type="image/gif" sizes="16x16"></head><body><h2>Hello world!</h2><p>Click the "Try it" button to return the value of the sizes attribute of the link element.</p><button onclick="myFunction()">Try it</button><p id="demo"></p><script>function myFunction() { var x = document.getElementById("myLink").sizes; document.getElementById("demo").innerHTML = x;}</script></body></html>