Javascript angularjs iterators performance

JavaScript performance comparison

Revision 34 of this test case created by Mayank

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.4/angular.min.js"></script>


      
<script>
Benchmark.prototype.setup = function() {
  var sum = 0;
  var arr = [];
  var myFunc = function() {
    sum += 1;
  }
  for (var i = 0; i < 100000; i++) {
    arr.push(i)
  }

};
</script>

Preparation code output

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.4/angular.min.js"></script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
angular foreach
angular.forEach(arr, myFunc);
pending…
for in loop
for(var i in arr){
 sum+=1;
}
pending…
for loop
for (var i = 0; i < arr.length; i++) {
  sum += 1;
};
pending…
for loop reverse
for (var i = arr.length - 1; i >= 0; i--) {
  sum += 1;
};
pending…
for loop with caching
len = arr.length;
for (var i = 0; i < len; i++) {
  sum += 1;
};
pending…
browser forEach
arr.forEach(myFunc);
pending…
jquery forEach
jQuery.each(arr, myFunc) 
pending…
Array.map
arr.map(function(){})
pending…
Array.filter
var result = arr.filter(function(i){
   if(i%10 == 0){
      return i;
    }
})
    
pending…

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Revisions

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