For me one of the recent things was sort() method of the Array object:
[3,100,20].sort() //outputs [ 100, 20, 3 ]
I had no idea it sorts them as string literals.
The other gotcha is that it mutates the source array, and then also returns it, unlike most Array.prototype methods.
Array.prototype
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For me one of the recent things was sort() method of the Array object:
I had no idea it sorts them as string literals.
The other gotcha is that it mutates the source array, and then also returns it, unlike most
Array.prototypemethods.