Info

adding while

Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    var arr = Array(1000);
    (function () {
        for(var i=0; i<arr.length; i++) {
            arr[i] = i;
        }
    }());
    
    function assignValue(x) {
        values.push(x);
    }
  };
</script>

Test runner

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

Java applet disabled.

var values = [];
arr.forEach(assignValue);

var values = [];
for(var i=0; i<arr.length; i++) {
    values.push(arr[i]);
}

var values = [];
for(var i=0, len=arr.length; i<len; i++) {
    values.push(arr[i]);
}

var values = [];
for(var i=arr.length; i--; values.push(arr[i]));

var values = [];
for(var i in arr) values.push(arr[i]);

var values = [], i = arr.length;
while( i-- ){
  values.push(arr[i]);
}

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. Here’s a list of current revisions for this page:

• Revision 1: published by Axel Rauschmayer on 1st March 2013
• Revision 3: published on 1st March 2013
• Revision 4: published by gotofritz on 1st March 2013
• Revision 5: published by johnjbarton on 1st March 2013

0 comments