Run results for: For loop vs Index Of

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/96.0.4664.116 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 96

Operating system: iOS 15.1

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
for loop	2847738.0 Ops/sec
indexOf	48871.2 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);

Run results for: For loop vs Index Of

save length of the array in the variable vs get it the loop

for loop

indexOf