bind vs emulate

JavaScript performance comparison

Revision 23 of this test case created by mtone

Preparation code

<div class="gilad"></div>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script src="//www.cinsoft.net/mylib099-min.js"></script>
 
<script>
Benchmark.prototype.setup = function() {
    Function.prototype.bindRaynos = function (context) {
      var f = this;
      var curriedArgs = Array.prototype.slice.call(arguments, 2);
      if (curriedArgs.length) {
        return function () {
          var allArgs = curriedArgs.slice(0);
          for (var i = 0, n = arguments.length; i < n; ++i) {
            allArgs.push(arguments[i]);
          }
          f.apply(context, allArgs);
        };
      } else {
        return createProxy(f, context);
      }
    };
   
    function createProxy(f, context) {
      return function () {
        f.apply(context, arguments);
      }
    }
   
    function raynosBind2 (f, context) {
      var curriedArgs = Array.prototype.slice.call(arguments, 2);
      if (curriedArgs.length) {
        return function () {
          var allArgs = curriedArgs.slice(0);
          for (var i = 0, n = arguments.length; i < n; ++i) {
            allArgs.push(arguments[i]);
          }
          f.apply(context, allArgs);
        };
      } else {
        return createProxy(f, context);
      }
    };
    var i = { i: 0 };
   
    var f = function (x) {
      this.i++;
    };
   
    var nativelyBound = f.bind(i, "myArg");
    var raynosBound = f.bindRaynos(i,"myArg");
    var proxied = jQuery.proxy(f, "myArg");
    var raynos2 = raynosBind2(f, "myArg");
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
Native version
nativelyBound(1);
pending…
Raynos's version
raynosBound(2);
pending…
$.proxy
proxied(3);
pending…
2
raynos2(4);
pending…

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