Run results for: For loop vs Index Of

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

for loop

1.3M/s

indexOf

27K/s

View exact numbers

Test name	Executions per second
✓ for loop	1,326,948 Ops/sec
indexOf	26,695 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);