//创建对象---->实例化一个对象,的同时对属性进行初始化 var per=new person("小红",20);
自动逸构造函数创建对象做的事情:
//实例对象 var per1 = { name: "小明", age: 20, sex: "男", eat: function () { console.log("吃臭豆腐"); }, readbook: function () { console.log("时间简史") } } //调用系统的构造函数 var per2 = new object(); per2.name = "小苏"; per2.age = 30; per2.sex = "男"; per2.eat = function () { console.log("吃西瓜"); }; per2.play = function () { console.log("游戏真好玩"); }; //自定义构造函数 function person(name, age, sex) { this.name = name; this.age = age; this.sex = sex; this.play = function () { console.log("天天打游戏"); }; }; var per = new person("小丁", 39, "女"); console.log(per instanceof person);
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androidx+viewpage+tablayout+json开发(加载图片和视频)
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