new Array vs push

JavaScript performance comparison

Revision 2 of this test case created

Test runner

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

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
new Array
var arr = new Array(300)
for (var i = 0; i < 300; i++) {
  arr[i] = 15
}
pending…
push
var arr = []
for (var i = 0; i < 300; i++) {
  arr[i] = 15
}
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