Zepto vs. jQ vs. jQmobi vs. raw

JavaScript performance comparison

Revision 106 of this test case created

Info

Zepto vs. jQuery vs. jQmobi vs. raw JS for getting an element by id (using latest versions, hosted on cl.ly)

Preparation code

<script src="http://f.cl.ly/items/0t3w1Z2R2L2s0J2D2Q2q/zepto.min.js">
</script>
<script src="http://f.cl.ly/items/2e2P0m3d1Q2U3w01230Y/jq.mobi.min.js">
</script>
<script src="http://f.cl.ly/items/3J2O1D3d0I3a0P2e2V1c/jquery-1.7.2.min.js">
</script>
<script src="http://xuijs.com/downloads/xui-2.3.2.min.js">
</script>
<script src="http://jsrun.it/damele0n/tuMO/js">
</script>
<script src="http://jsrun.it/damele0n/tQkX/js"></script>
<script>
(function(e,t){"use strict";function r(e){return{}.toString.call(e).match(/\s(\w+)/)[1].toLowerCase()}function i(e){return n.slice.call(e)}function s(e,t){return function(){return e.apply(t||arguments[0],n.slice.call(arguments))}}function o(e){return n.concat.apply([],e)}function u(e){return e.filter(function(t,n){return e.indexOf(t)==n})}function a(e){return e.filter(function(e){return e})}function f(t){var n=e.createElement("div");return n.innerHTML=t,n.childNodes}function l(e){this.el=this._init(e);this.length=this.el.length}function c(e){return new l(e)}var n=Array.prototype;l.prototype={_init:function(t){if(t instanceof l){return t.el}if(r(t)=="array"){return t}if(/html/.test(r(t))){return n.concat.call(t)}if(/^</.test(t)){return i(f(t))}return i(e.querySelectorAll(t))},_new:function(e){this.firstCollect=this.firstCollect||this.el;this.prevCollect=this.el;this.el=a(u(o(e))).reverse();return this},_with:function(e){var t=[];this.each(function(){t.push(e.call(this,this))});return this._new(t)},_targets:function(t,n){var r=e.createDocumentFragment();this.each(function(){r.appendChild(this)});c(t).each(function(){n.call(this,r)});return this},_matches:function(e){var t;if(!e)return this;return this._with(function(n){if(e instanceof l){return e.el.filter(function(e){return e==n})}t=i(this.parentNode.querySelectorAll(e));return~t.indexOf(this)&&this})},_loop:function(e,t){e=e.split(" ");return this._with(function(){var n=[],r,i,s=e.length,o;for(r=0,i=0;r<s;r++){o=this[e[r]];while(o){if(o.nodeType==1)n.unshift(o);if(t&&i==t)break;o=o[e[r]];i++}}return n})},each:function(e){return this.el.some(s(e)),this},slice:function(e,t){return this._new(this.el.slice(e,t))},map:function(e){return this._new(this.el.map(s(e)))},end:function(){return this._new(this.firstCollect)},filter:function(e){if(r(e)=="function"){return this._new(this.el.filter(s(e)))}return this._matches(e)},not:function(e){var t=c(this)._matches(e).el;return this._with(function(){return!~t.indexOf(this)&&this})},is:function(e){return!!this._matches(e).length},find:function(e){return this._with(function(){return i(this.querySelectorAll(e))})},children:function(e){return this._with(function(){return i(this.children)})._matches(e)},parents:function(e){return this._loop("parentNode")._matches(e)},parent:function(e){return this._with(function(){return this.parentNode})._matches(e)},siblings:function(e){return this._loop("previousSibling nextSibling")._matches(e)},prevAll:function(e){return this._loop("previousSibling")._matches(e)},nextAll:function(e){return this._loop("nextSibling")._matches(e)},clone:function(){return this.map(function(){return this.cloneNode(true)})},appendTo:function(e){return this._targets(e,function(e){this.appendChild(e)})}};t._=c})(document,window)
</script>
<div id="asdf">
<p><em></em></p>
</div>
<script>
Benchmark.prototype.setup = function() {
    function el(string) {
      if (string.indexOf('#') === 0) {
        return document.getElementById(string.substr(1, string.length));
      }
    }
   
    //to be fair, I'll wrap getElementById in a function and return the object
   
    byId = document.getElementById.bind(document);
   
    var boolean = true;
};
</script>

Preparation code output

Test runner

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Testing in unknown unknown
Test Ops/sec
Zepto
Zepto('#asdf').children().find().parents('body')
pending…
jQuery
jQuery('#asdf').children().find().parents('body')
pending…
jQMobi
 
pending…
Raw/baseline
 
pending…
Wrapped Raw
 
pending…
Straight getElementById
 
pending…
XUI
 
pending…
querySelector
 
pending…
Riddle.js
 
pending…
kQuery
 
pending…
joy
_('#asdf').children().find().parents('body')
pending…

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