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<!DOCTYPE html>
<html>
<body>
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<h2>JavaScript HTML DOM</h2>
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<p>Hello World!</p>
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<p>Hello Norway!</p>
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<p id="demo"></p>
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<script>
const myCollection = document.getElementsByTagName("p");
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document.getElementById("demo").innerHTML = "This document contains " + myCollection.length + " paragraphs.";
​
</script>
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</body>
</html>
​