原型对象的问题

2017-06-21 11:39:00
admin
原创
488
<!DOCTYPE html>
<html>
<head>
    <title>Prototype Pattern Example</title>
    <script type="text/javascript">
                    
        function Person(){
        }
        
        Person.prototype = {
            constructor: Person,
            name : "Nicholas",
            age : 29,
            job : "Software Engineer",
            friends : ["Shelby", "Court"],
            sayName : function () {
                alert(this.name);
            }
        };
        
        var person1 = new Person();
        var person2 = new Person();
        
        person1.friends.push("Van");
        
        alert(person1.friends);    //"Shelby,Court,Van"
        alert(person2.friends);    //"Shelby,Court,Van"
        alert(person1.friends === person2.friends);  //true

        
    </script>
</head>
<body>

</body>
</html>
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