ES5 getters/setters versus properties

JavaScript performance comparison

Revision 18 of this test case created by Lorenzo

Preparation code

<script>"use strict"
  var obj = {
   _prop: 0,
   get prop() {
    return this._prop;
   },
   set prop(value) {
    this._prop = value;
   },
   getProp: function() {
    return this._prop;
   },
   setProp: function(value) {
    this._prop = value;
   }
  };
  var a = 0;
</script>
    

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
Getter
a += obj.prop;
pending…
Direct read
a += obj._prop;
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