Run results for: array / object iteration

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3521.0 Safari/537.36

Browser: Chrome 70

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
array iterate	4.9 Ops/sec
object iteration	3.8 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; }