Run results for: for vs foreach vs for-const vs for..of

Run details:

User agent: curl

Browser: Other

Operating system: Other

Device Platform: Desktop

Date tested: one year ago

for..of

1.0M/s

foreach

477K/s

for-const

27K/s

for

15K/s

View exact numbers

Script Preparation code:

var array = new Array(1000);

Tests:

for
let res=0 for (var i = 0; i < array.length; i++) { res += array[i] }
foreach
let res=0 array.forEach(function(i) { res += i });
for..of
let res=0 for (var i of array) { res += i }
for-const
let res=0 const leng = array.length for (var i = 0; i < leng; i++) { res += array[i] }