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<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript Comments</h2>
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<p id="demo"></p>
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<script>
var x = 5;    // Declare x, give it the value of 5
var y = x + 2;  // Declare y, give it the value of x + 2 
// Write y to demo:
document.getElementById("demo").innerHTML = y;
</script>
​
​
</body>
​
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_comments5 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:28:11 GMT -->
</html>
​
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