Run results for: Which Is the Fastest - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.131 Safari/537.36

Browser: Chrome 74

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
while loop	95.4 Ops/sec
// for loop	92.8 Ops/sec
// .forEach() method	247.0 Ops/sec
// for...of loop	688.7 Ops/sec

Script Preparation code:

var arr = [];

for(var i = 0; i < 100000; i++){
  arr.push(Math.random())
}

Tests:

while loop
let i=0; while(i < arr.length) { // do stuff i++; }
// for loop
for(let i=0; i<arr.length; i++) { // do stuff }
// .forEach() method
arr.forEach((element) => { // do stuff });
// for...of loop
for(const element of arr) { // do stuff }