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<html><head> <meta charset="utf-8"> <title>JS Bin</title></head><body></body></html>var result = (function() { // NaN (Not a Number) is at an undefined state without context so it does not equal to itself. // Also if two things are not numbers then does that necessarily mean that they should equal each other? For example:console.log(parseInt("a") === parseInt("b")); // false return NaN === NaN})();console.log(result); // false
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