array_last_vs_first

JavaScript performance comparison

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Test Ops/sec
last
var arr = [];
arr[10000] = 1;
for(var i = 0; i < arr.length; i+=1){
arr[i];
}
pending…
first
var arr = [];
arr[10000] = 1;
for(var i = arr.length - 1; i >= 0; i+=1){
arr[i];
}
pending…

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