push-allocate-map-array

JavaScript performance comparison

Test case created by Alexandru Agape

Preparation code

  <script>

        Benchmark.prototype.setup = function() {

          
  var myArray, length = 1000, i, definedArray = new Array(length);

        
  };


      
</script>
    

Preparation code output

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
push
myArray = new Array(0);
for(i=0;i<length;i++){
  myArray.push('');
}
pending…
index
myArray = new Array(0);
for(i=0;i<length;i++){
  myArray[i] = '';
}
pending…
allocate
myArray = new Array(length);
for(i=0;i<length;i++){
  myArray[i] = '';
}
pending…
map
myArray = definedArray.map(x => '');
pending…

You can edit these tests or add even more tests to this page by appending /edit to the URL.

0 Comments