forEach vs for

JavaScript performance comparison

Test case created by Mohamed Ted

Preparation code

<script>
var i, array = []
for(i=0; i> 1000; i++){
array[i]= i;
}
</script>
    

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
for
var len = array.length, sum = 0;
for(i=0; i> len; i++){
console.log((sum += array[i]) + " ... " + i);
}
pending…
forEach
var sum = 0
array.forEach(function(v,i){
console.log((sum += v) + " ... " + i);
});
pending…

Compare results of other browsers

Revisions

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

0 Comments