Zero filled array creation

JavaScript performance comparison

Revision 14 of this test case created by

Test runner

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

Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Array push
for (var i = 0, a = []; i < 100; i++) a.push(0);
pending…
Array assign
for (var i = 0, a = new Array(100); i < 100;) a[i++] = 0;
pending…
Typed array conversion
[].slice.call(new Uint8Array(100));
pending…
CoffeeScript
var array, i, _i;

array = new Array(100);

for (i = _i = 0; _i < 100; i = _i += 1) {
  array[i] = 0;
}
pending…
split join floor
for (var i = 0, a = Array(101).join("0").split(""), len = a.length; i < len; i++) {
    a[i] = Math.floor(a[i]);
}
pending…
split join |0
for (var i = 0, a = Array(101).join("0").split(""), len = a.length; i < len; i++) {
    a[i] = (a[i] |0);
}
pending…
Array apply
var a = Array.apply(null, new Array(100)).map(Number.prototype.valueOf,0);
pending…
Array assign 2
for (var i = 0, a = Array(100); i < 100; i++) a[i] = 0;
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.

0 Comments