Array Creation Shorthand

JavaScript performance comparison

Test case created by String Concatenation

Test runner

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

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
Create Empty Array Old Way
var test = new Array();
pending…
Create Empty Array Shorthand
var test = [];
pending…
Create Populated Array Old Way
var test = new Array(1, 2, 3);
pending…
Create Populated Array Shorthand
var test = [1, 2, 3];
pending…

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

Compare results of other browsers

0 comments

Add a comment