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Result Size: 625 x 571
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<!DOCTYPE html>
<html>
<body>
<p>Click the button to get the value of the onclick attribute of the button element.</p>
<button onclick="myFunction()">Try it</button>
<p><strong>Note:</strong> Internet Explorer 8 and earlier does not support the getNamedItem method.</p>
<p id="demo"></p>
<script>
function myFunction() {
  var a = document.getElementsByTagName("BUTTON")[0];
  var x = a.attributes.getNamedItem("onclick").value;  
  document.getElementById("demo").innerHTML = x;
}
</script>
</body>
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_namednodemap_getnameditem by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:01:38 GMT -->
</html>
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