Array Performance (v100)

Revision 100 of this benchmark created by tuan on


Description

Manual array lookups vs. holey arrays.

Setup

var a1 = [];
    for (var i = 0; i < 100000; i++) {
       a[i] = i;
    }

    var a2 = {};
    for (var i = 0; i < 100000; i++) {
       a[i] = i;
    }

Test runner

Ready to run.

Testing in
TestOps/sec
Manual Array Lookup
var id = 29938;
for (var i = 0; i < a1.length; i++) {
  if (a1[i].id = id) result = a1[i];
}
ready
Holey Array by Index
var id = 29938;
var result = a2[id];
ready

Revisions

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