Run results for: for vs forEach

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/69.0.3497.81 Chrome/69.0.3497.81 Safari/537.36

Browser: Chromium 69

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
for loop	1531.0 Ops/sec
forEach	705.1 Ops/sec

Tests:

for loop

var testArray = [];

for (var i = 1; i <= 100; i++) {
   testArray.push(i);
}

for(var i = 0, length = testArray.length; i < length; i += 1) {
  console.log(testArray[i]);
}

​x
 
var testArray = [];​for (var i = 1; i <= 100; i++) {   testArray.push(i);}​for(var i = 0, length = testArray.length; i < length; i += 1) {  console.log(testArray[i]);}​

forEach

var testArray = [];

for (var i = 1; i <= 100; i++) {
   testArray.push(i);
}

testArray.forEach((item) => {
  console.log(item);
});

 
var testArray = [];​for (var i = 1; i <= 100; i++) {   testArray.push(i);}​testArray.forEach((item) => {  console.log(item);});​