<script type="text/javascript"> // 方法一 var p0 = new Object(); p0.name = "xy"; p0.age = 20; p0.sayName = function() { alert(this.name); } p0.showAgeAfterSomeYears = function(year) { return this.age + year }; p0.sayName(); alert(p0.showAgeAfterSomeYears(10)); // 方法二 function Person(){ } var p1 = new Person(); p1.name = "xy"; p1.age = 20; p1.sayName = function() { alert(this.name); } p1.showAgeAfterSomeYears = function(year) { return this.age + year }; p1.sayName(); alert(p1.showAgeAfterSomeYears(10)); // 方法三 function Person(name,age){ this.name = name; this.age = age; this.sayName = function(){ alert(this.name); } this.showAgeAfterSomeYears = function(year) { return this.age + year }; } var p2 = new Person("xy",20); p2.sayName(); alert(p2.showAgeAfterSomeYears(10)); // 方法四 var p3 = { name : "xy", age : 20, sayName : function(){ alert(this.name); }, showAgeAfterSomeYears : function(year) { return this.age + year } }; p3.sayName(); alert(p3.showAgeAfterSomeYears(10)); // 方法五 var p4 = {}; p4.name = "xy"; p4.age = 20; p4.sayName = function() { alert(this.name); } p4.showAgeAfterSomeYears = function(year) { return this.age + year }; p4.sayName(); alert(p4.showAgeAfterSomeYears(10)); </script>