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<!DOCTYPE html>
<html>
<body>
​
<h1>The HTMLCollection Object</h1>
​
<p>Use the getElementsByTagName() method to return an HTMLCollection.</p>
​
<p>The number of P elements on this page:</p>
​
<script>
var x = document.getElementsByTagName("P");
document.write(x.length);
</script>
​
</body>
​
</html>
​
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