Underscore.map vs jQuery.map vs. for loop vs. `Lo-Dash.map' (v183)

Revision 183 of this benchmark created on

Description

check maps

Preparation HTML

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>

<script src="//documentcloud.github.com/underscore/underscore-min.js">
</script>
<script>
window.underscore = _.noConflict();
</script>
<script src="https://raw.github.com/bestiejs/lodash/master/lodash.min.js">
</script>
<script>
window.lodash = _.noConflict();
</script>

Setup

var $ = window.$,
        lodash = window.lodash,
        underscore = window.underscore;
    
    var a = [],
        newArray = [],
        pi = Math.PI;
    
    for (var i = 1, max= 100 ; i <= max ; i++) {
      a.push('Fundamental alert number ' + i);
    }

Test runner

Ready to run.

Testing in
TestOps/sec
jQuery.map
$.map(a, function(index, val) {
  return val;
});
ready
good old for loop
for (var i = 0, len = a.length; i < len; i++) {
  newArray[i] = 
    a[i]
  ;
}
ready
underscore.map
underscore.each(a, function(item) {
  return
    item
  ;
});
ready
Lo-Dash map
lodash.each(a, function(item) {
  return
    item
  ;
});
ready

Revisions

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