Fast Array Foreach

JavaScript performance comparison

Revision 387 of this test case created by Maciej Adamczewski

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
    // Populate the base array
    var arr = [];
    for (var i = 0; i < 1000; i++) {
      arr[i] = i;
    }
  
    function someFn(i) {
      return i * 3 * 8;
    }
  
  function each(fn, context){
        var self = this
          , index = 0
          , length = self.length
  
        for(;index < length; index++) fn.call(context, self[index], index, self)
  
        return self
      }
  
  Array.prototype.each = each

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
while
while( i = copy.shift() ) {
  someFn(i);
}
pending…

Revisions

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