Created
August 21, 2012 20:07
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arguments.length - big hit in FF?
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Benchmarks</title> | |
| </head> | |
| <body> | |
| <p><button id="start">Start Benchmarks</button></p> | |
| <p id="d"></p> | |
| <applet code="nano" archive="http://localhost/benchmark/nano.jar" style="display: none;"></applet> | |
| <script src="http://localhost/benchmark/benchmark.js"></script> | |
| <script> | |
| var suite = new Benchmark.Suite(), | |
| start = document.getElementById('start'), | |
| d = document.getElementById('d'); | |
| function dump(msg) { | |
| d.innerHTML += ('<p>' + msg + '</p>'); | |
| } | |
| start.onclick = function () { start.disabled=true; dump("Starting."); suite.run({async:true}); }; | |
| suite.on('cycle', function (event) { | |
| dump(String(event.target)); | |
| }); | |
| suite.on('complete', function () { | |
| dump('Finished.'); | |
| }); | |
| // Expect this to be slower, since we have 2 function hops to add, push with 2 applys | |
| function QueueOld() { | |
| this._q = []; | |
| this.add.apply(this, arguments); | |
| } | |
| QueueOld.prototype = { | |
| next: function() { | |
| return this._q.shift(); | |
| }, | |
| last: function() { | |
| return this._q.pop(); | |
| }, | |
| add: function() { | |
| this._q.push.apply(this._q, arguments); | |
| return this; | |
| }, | |
| size: function() { | |
| return this._q.length; | |
| } | |
| }; | |
| function QueueNew() { | |
| this._q = []; | |
| if (arguments.length > 0) { | |
| this.add.apply(this, arguments); | |
| } | |
| } | |
| QueueNew.prototype = { | |
| next: function() { | |
| return this._q.shift(); | |
| }, | |
| last: function() { | |
| return this._q.pop(); | |
| }, | |
| add: function() { | |
| var q = this._q; | |
| q.push.apply(q, arguments); | |
| return this; | |
| }, | |
| size: function() { | |
| return this._q.length; | |
| } | |
| }; | |
| var qn, qo; | |
| suite.add('Queue with arguments.length > 0 check', function () { | |
| qn = new QueueNew(); | |
| }); | |
| suite.add('Queue with pass through arguments', function () { | |
| qo = new QueueOld(); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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