var person = { name: "hello world", age: 22, sayHello:function(){alert("I"m "this.name ",and I"m " this.age "years old"); }};person.sayHello();//I"m hello world, and I"m 22 years old方法2:window.color = "red";var o = { color: "blue"};function sayColor(){alert(this.color);}sayColor(); //"red"o.sayColor = sayColor;o.sayColor(); //"blue"//也可以使用apply和callsayColor.apply(o);//"blue"sayColor.call(o);//"blue"希望本文所述对大家的javascript程序设计有所帮助。