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nwillems/util.js

Last active August 29, 2015 14:23
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Javascript Clone array
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util.js
// Fire away with comments - I'd like to know faster or more compact
// or what-ever-measure-you-like solutions
function clone(a){
return Array.apply(null, a);
}
// NOTE-to-Self: DONT EVER DO "arr.length--" it WILL mutate array!
@nwillems
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According to [http://jsperf.com/new-array-vs-splice-vs-slice/19] the fastest way is

return arr.concat();

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