Array Iteration (v4)

Revision 4 of this benchmark created by PlayMyCode on

Description

Compare iterating forward or backwards of an array

Setup

var arr = [];
    for (var i = 0; i < 10000; ++i) {
      arr.push(1);
    }

Test runner

Ready to run.

Testing in
TestOps/sec
forwards
var a;
for (var i = 0; i < arr.length; ++i) {
    a = arr[i];
}
ready
backwards
var a;
for (var i = arr.length; i > 0; --i) {
    a = arr[i];
}
ready
Hard Coded Forward
var a;
for (var i = 0; i < 10000; ++i) {
    a = arr[i];
}
ready
Cached Forward Iteration
var a;
for(var i=0, c=arr.length; i<c; i++){
    a = arr[i];
}
ready

Revisions

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