View difference between Paste ID: XRY0arei and 9jxNijxW

 /**
  * @author Mat Groves http://matgroves.com/
  */
 var PIXI = PIXI || {};
 
 
 PIXI.StressTest = function(callback)
 {
-	if ( !this instanceof PIXI.StressTest ){
+
-		console.log("sqdqsd");
+
-		return new PIXI.StressTest(callback);
+
-	}
+
 	document.body.appendChild(this.renderer.view);
 	this.renderer.view.style.position = "absolute";
 	this.renderer.view.style.left = "-500px";
 
 	this.duration = 3;
-	// this.renderer.view.style.left = "-500px";
+
 	var scope = this;
 	var canvas = document.createElement("canvas");
 	canvas.width = 52
 	canvas.height = 74
 	canvas.context = canvas.getContext("2d");
 	canvas.context.fillStyle="#FF0000";
 	canvas.context.fillRect(0,0,52,74);
 
 	this.texture = PIXI.Texture.fromCanvas(canvas);
 	scope.begin();
 	// this.texture.baseTexture.addEventListener( 'loaded', function(){ scope.begin()} );
 
 	this.frameRate = [];
 }
 
 // constructor
 PIXI.StressTest.constructor = PIXI.StressTest;
 
 PIXI.StressTest.prototype.begin = function()
 {
 	this.testSprites = [];
 	for (var i=0; i < 300; i++)
 	{
 		var bunny = new PIXI.Sprite(this.texture);
 		bunny.anchor.x = 0.5;
 		bunny.anchor.y = 0.5;
 		bunny.alpha = .5;
 		this.stage.addChild(bunny);
 		bunny.position.x = 50 + Math.random() * 400;
 		bunny.position.y = 50 + Math.random() * 400;
 
 		this.testSprites.push(bunny);
 	};
 
 	this.renderer.render(this.stage);
 
 	this.startTime = Date.now();
 	this.lastTime = Date.now();
 
 	var scope = this
 	requestAnimFrame(function(){scope.update()});
 }
 
 PIXI.StressTest.prototype.update = function()
 {
 	var currentTime = Date.now();
 
 	for (var i=0; i < this.testSprites.length; i++) {
 	  this.testSprites[i].rotation += 0.3;
 	};
 
 	this.renderer.render(this.stage);
 
 	var diff = currentTime - this.lastTime;
 	diff *= 0.06;
 
 	//diff *= 60;
 
 	this.frameRate.push(diff);
 
 	this.lastTime = currentTime;
 
 	var elapsedTime = currentTime - this.startTime;
 
 	if(elapsedTime < this.duration * 1000)
 	{
 		var scope = this
 		requestAnimFrame(function(){scope.update()});
 
 	}
 	else
 	{
 
 		document.body.removeChild(this.renderer.view);
 
 		this.renderer = null;
 
 		this.result = this.frameRate.length/this.duration;
 
 
 		if(this.callback)this.callback(this.result);
 	}
 
 }