Created
November 22, 2013 22:46
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Little JavaScript WTFs
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| var a = [20, 10, 5, 1]; | |
| // Everyday array | |
| a.sort(); | |
| // [1, 10, 20, 5]... WTF? | |
| a == [1, 10, 20, 5]; | |
| // false | |
| a === [1, 10, 20, 5]; | |
| // also false | |
| [,,,].join() // ==> ",," | |
| // Wtf? | |
| alert(typeof NaN); //alerts 'Number' WTF NaN is a number???? | |
| alert(NaN === NaN); //evaluates false WTF NaN is Not equal to its self..?!?!?!? |
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lol these all make sense if you look into how javascript is made