Run results for: For loop vs Index Of

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36

Browser: Chrome 107

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
for loop	2009900.0 Ops/sec
indexOf	32960.6 Ops/sec

Script Preparation code:

var arr = [];
var count = 1000;
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(550, arr);
indexOf
arr.indexOf(550, arr);