Info

Checking the performance of using _.bind vs "that = this"

Preparation code

<script src="http://underscorejs.org/underscore-min.js"></script>
<script>
  Benchmark.prototype.setup = function() {
    var stuff = {
      foo: "bar"
    };
  };
</script>

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function doStuff(){
  var baz;
  for(var i=0;i<=1000;i++){
    baz = this.foo + "bar";
  }
}

_.bind(doStuff, stuff)();

var that = stuff;
function doStuff(){
  var baz;
  for(var i=0;i<=1000;i++){
    baz = that.foo + "bar";
  }
}

doStuff();

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published by Derick Bailey on 23rd February 2013
• Revision 2: published on 27th February 2013
• Revision 3: published by tenbits on 17th March 2013

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