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AllThingsSmitty/last-el.js

Last active August 29, 2015 14:25
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Get last element of an array in one line with no temp vars
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last-el.js
// var last = arr.reverse()[0];
Array.prototype.last = function () { return this.length > 0 ? this[this.length -1] : undefined };
@AllThingsSmitty
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Bad for performance?

@AllThingsSmitty
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var last = arr[arr.length - 1];

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