闭包例子

closure example

	var name = "The Window";
	var object = {
	name : "My Object",
	getNameFunc : function(){
			return function(){
				return this.name;
			};
		}
	};
	alert(object.getNameFunc()()); //out put The window
	
	var object2 = {
	name : "My Object",
	getNameFunc : function(){
	    var that = this;
			return function(){
				return that.name;
			};
		}
	};
	alert(object2.getNameFunc()()); //My Object
	
	var object3 = {
	name : "My Object",
	getNameFunc : function(){
			return function(){
				return name;
			};
		}
	};
	alert(object3.getNameFunc()()); //out put The window