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Result Size: 625 x 571
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<!DOCTYPE html>
<html>
<body>
<p>Click the button to check the encoding of this document.</p>
<button onclick="myFunction()">Try it</button>
<p><strong>Note:</strong> Internet Explorer 8 and earlier does not support the characterSet property.</p>
<p id="demo"></p>
<script>
function myFunction() {
  var x = document.characterSet;
  document.getElementById("demo").innerHTML = x;
}
</script>
</body>
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_document_characterset by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 05 Jun 2019 14:03:19 GMT -->
</html>
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