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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.129 Safari/537.36

Browser: Chrome 81

Operating system: Mac OS X 10.15.4

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
while loop	158.5 Ops/sec
// for loop	158.2 Ops/sec
// .forEach() method	768.2 Ops/sec
// for...of loop	3518.5 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 }

;