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<!DOCTYPE html>
<html>
<body>
​
<p>Never create booleans as objects.</p>
<p>Booleans and objects cannot be safely compared.</p>
​
<p id="demo"></p>
​
<script>
var x = false;         // x is a number
var y = new Boolean(false);  // y is an object
document.getElementById("demo").innerHTML = (x===y);
</script>
​
</body>
​
</html>
​
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