Native bind vs jQuery.proxy vs Underscore bind (passing an object)

JavaScript performance comparison

Revision 62 of this test case created

Info

A variant on this test, substituting a simple object in lieu of a number. Aiming to find out if this causes a significant change in test results.

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.3.3/underscore-min.js">
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
Native bind
var foo = (function(x) {
  return this.num + x;
}).bind({num: 1});
foo(1);
pending…
jQuery.proxy
var foo = jQuery.proxy(function(x) {
  return this.num + x;
}, {num: 1});
foo(1);
pending…
Underscore.js bind
var foo = _.bind(function(x) {
  return this.num + x;
}, {num: 1});
foo(1)
pending…
Without bind
var bar = function(x) {
  return this.num + x;
};
var foo = function(x) { bar.call({num: 1}, x); }
foo(1);
pending…
(pseudo) closure
var self = {num: 1};

var foo = function(x) {
  return self.num + x;
};
foo(1)
pending…

Compare results of other browsers

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