批改状态:合格
老师批语:
<!DOCTYPE HTML>
<html>
<head>
<title>js创建对象的方式</title>
<script>
//基于基础对象创建
let obj = new object();
let obj = {};
obj.name='小花'
obj.sex='女'
obj.date =1992
obj.getInfo=function (){return 2018-this.date};
console.log(obj.name);
console.log(obj.sex);
console.log(obj.getInfo());
//构造函数
function Student(name,age,sex){
this.name= name;
this.age=age;
this.sex=sex;
}
Student.prototype.getinfo=function (){
return this.name;
}
s1 = new Student('小花','18','男');
console.log(s1.getinfo());
</script>
</head>
<body>
</body>
</html>点击 "运行实例" 按钮查看在线实例
感悟:javascript对象的创建有三个方法:1.let obj={}创建一个空对象。2.let obj=new object();基于原始对象创建,这样会继承原始对象的方法。3.通过构造方法创建
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