Run results for: Iteration Speed 2 - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
while loop	28426.3 Ops/sec
for loop	33236.5 Ops/sec
do .. while loop	26654.0 Ops/sec
forEach loop	5206.7 Ops/sec

Script Preparation code:

   var arr = [];
   for (var i = 0; i < 50000; i++) {
       arr[i] = i;
   }

Tests:

while loop
let i = 0 while(i < arr.length) { arr[i] i++ }
for loop
for(let i = 0; i < arr.length; i++) { arr[i] }
do .. while loop
let i = 0 do { arr[i] i++ } while(i < arr.length)
forEach loop
arr.forEach((data) => { data })