Run results for: array / object iteration

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0

Browser: Firefox 128

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

array iterate

2K/s

object iteration

21/s

View exact numbers

Test name	Executions per second
✓ array iterate	1,546 Ops/sec
object iteration	21 Ops/sec

Script Preparation code:


var arr = [];
var obj = {};
var i=1000000;
while(i--){
  arr.push(i);
  obj[i]=i;
}

Tests:

array iterate
for(var i=0; i<arr.length; i++){ var test = arr[i]; test = null; }
object iteration
for(var p in obj){ var test = obj[p]; test = null; }