使用JSON 来定义一个对象:

<script type="text/javascript">
var xiaoming = {
name : ‘xiaoming‘,
age : 18,
say : function(){
console.log(‘my name is ‘+this.name);
}
}
xiaoming.say();
xiaoming.name = ‘li xiao ming‘;
xiaoming.say();
</script>

JavaScript 中的面向对象编程