Fast Array Foreach (v370)

Revision 370 of this benchmark created on

Setup

// Populate the base array
    const arr = [];
    for (let i = 0; i < 1000; i++) {
      arr[i] = i;
    }
  
    function someFn(i) {
      return i;
    }

Test runner

Ready to run.

Testing in
TestOps/sec
Array.ForEach
arr.forEach(function (item){
  someFn(item);
})
ready
For
for (let i = 0, len = arr.length; i < len; i++) {
  someFn(arr[i]);
}
ready
While
let i = -1, len = arr.length
while(++i < len){
	someFn(arr[i])
}
ready
While decrementing
let i = arr.length
while(i--){
	someFn(arr[i])
}
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.