Testing object map

JavaScript performance comparison

Test case created by Ryan and last updated

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

<script>
  var my_object = {
    this : 'that',
    the : 'other',
    foo : 'bar',
    bar : 'baz',
    bam : 'bam',
    boom : 'boom',
    bear : 'bear',
    bat : 'bat'
  }
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
each
var my_keys = [];
$.each(my_object,function(key,value) {
   my_keys.push(key);
});
 
pending…
map
var my_keys = $.map(my_object,function(value,key) { return value; });
pending…

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