Run results for: For loop vs Index Of (1000000 case)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

for loop

893/s

indexOf

15/s

View exact numbers

Test name	Executions per second
✓ for loop	893 Ops/sec
indexOf	15 Ops/sec

Script Preparation code:

var arr = [];
var count = 1000000;
for(var i = 0; i<count; i++)
{
  arr.push(i);
}

Tests:

for loop
function indexOfFor(obj, list) { var i; for (i = 0; i < list.length; i++) { if (list[i] === obj) { return i; } } return -1; }; indexOfFor(900000, arr);
indexOf
arr.indexOf(900000, arr);