How to push an element to an array

JavaScript performance comparison

Revision 2 of this test case created by Johnson Jiang

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
use push
var arr1 = [];
for (var i = 0; i < 10; i++) {
  arr1.push(i);
}
pending…
use [arr.length]=
var arr2 = [];
for (var i = 0; i < 10; i++) {
  arr2[arr2.length] = i;
}
pending…
use [i]
var arr2 = [];
for (var i = 0; i < 10; i++) {
  arr2[i] = i;
}
pending…

Compare results of other browsers

Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

0 comments

Add a comment