<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>javascript创建对象的方式</title>
<script type="text/javascript">
// 1. 通过字面量方式创建
var person = {
name: "name",
sayHi: function() {
return this.name + "说话了";
}
};
console.log(person.name);
console.log(person.sayHi());
// 2. 通过构造函数方式创建
function Dog(name) {
this.name = name;
this.sayHi = function(content) {
return this.name + "说话了" + content;
};
this.auto = function() {
console.log("执行这里");
}
alert("这里的代码会在每一次new初始化实例对象的时候执行");
}
var dog = new Dog("旺仔");
var dog1 = new Dog("旺仔");
dog.auto();
console.log(dog.name);
console.log(dog.sayHi("狗叫。。。。"));
// 3. 通过obj对象创建
var animal = new Object();
animal.name="晓得";
animal.age = 30;
animal.sayHi = function(){
return "我是一个动物";
}
console.log(animal.name);
console.log(animal.sayHi());
</script>
</head>
<body>
</body>
</html>
