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  • Js创建对象的做法

    1.对象工具包
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport"
    	content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <title>testdiv</title>
    <script type="text/javascript" src="./../../Script/jquery.js"></script>
    
    </head>
    
    <body>
    	<a href="javascript:void" id="showdiv">sssss</a>
    </body>
    <script>
    	var ss = {};
    	ss.tools = function(){
    			var a=1;
    			var b=2;
    			return{
    					aaa:a,
    					show_1:function(){
    						return a+b;
    						},
    					show_2:function(){
    						return a-b;
    					},
    						
    				}
    		}();		
    	$("#showdiv").click(function(){
    			var xx = ss.tools.show_1();
    			alert(xx);
    			
    			var xx2 = ss.tools.show_2();
    			alert(xx2);
    		})
    </script>
    </html>


    2.工厂模式
    	function createPerson(name,age,job){ 
    		var o = {
    			name:name,
    			age:age,
    			job:job, 
    			sayName:function(){ 
    				alert(this.name); 
    			}
    		}; 
    	return o; 
    	};
    	var wyz1 = createPerson("wyz","30","female"); 
    	var wyz2 = createPerson("wyz2","30","male"); 
    	wyz1.sayName(); 
    	wyz2.sayName();




    3.构造函数模式 this
    	function MathFunc(a,b)
    	{
    		this.a = a;
    		this.b = b;
    		this.add = function()
    		{
    		return a+b;
    		}
    	}
    	
    	var add = new MathFunc(3,4);
    	var sum = add.add();
    	alert(sum);
    


    4.​Apply和call
    	function MathFunc(a,b)
    	{
    		this.a = a;
    		this.b = b;
    		this.add = function()
    		{
    			return a+b;
    		}
    	}
    	var myadd={};
    	//MathFunc.call(myadd,31,4);
    	MathFunc.apply(myadd,[31,4]);
    	var sum = myadd.add();
    	alert(sum);


    5.原型共享方法
    	function MathFunc(a,b)
    	{
    		this.a = a;
    		this.b = b;
    		MathFunc.prototype.add = function()
    		{
    		return a+b;
    		}
    	};
    	var myadd= new MathFunc(3,4);
    	var sum = myadd.add();
    	alert(sum);


    版权声明:本文博客原创文章,博客,未经同意,不得转载。

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  • 原文地址:https://www.cnblogs.com/mengfanrong/p/4718192.html
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