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JavaScript对象
阅读量:741 次
发布时间:2019-03-17

本文共 517 字,大约阅读时间需要 1 分钟。

什么是对象

在生活中万物皆对象,比如一辆车,一只狗,甚至是水等,都可以理解为对象,对象有属性和方法。

对象 属性 方法
car.name = Fiat
car.model = 500
car.weight = 850kg
car.color = white
car.start()
car.drive()
car.brake()
car.stop()

javascript中,所有的事物都可以当作对象。

对象也算一个变量,可以包含多个值。

var car = {type:"Fiat", model:500, color:"white"};

在以上实例中,3 个值 ("Fiat", 500, "white") 赋予变量 car。

在以上实例中,3 个变量 (type, model, color) 赋予变量 car。

访问对象的属性:

car.typecar["type"]car.modelcar["model]car.colorcar["color"]

访问对象的方法

创建对象的方法:

methodName : function() {    // 代码 }

以下示例访问方法:

objectName.methodName()

转载地址:http://kwvez.baihongyu.com/

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