<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript">
//直接创建实例，并为其添加属性
var person0 = new Object();
person0.name = "zhichao";
person0.age = 30
for (var txt in person0) {
console.log("person0's " + txt + "=" + person0[txt]);
/**
* person0's name=zhichao
* person0's age=30
*/
}
//使用对象literals构造对象
var person1 = {
name: "yangys",
age: 29
};
for (var txt in person1) {
console.log("person1's " + txt + "=" + person1[txt]);
/**
* person1's name=yangys
* person1's age=29
*/
}
//使用构造函数构造对象
function person2(name, age) {
this.name = name;
this.age = age;
}
var zhangmin = new person2("zhangmin", 28);
for (var txt in zhangmin) {
console.log("zhangmin's " + txt + "=" + zhangmin[txt]);
/**
* zhangmin's name=zhangmin
* zhangmin's age=28
*/
}
//为已有对象添加新属性
person1.sex = "男";
person1.height = 174.5
for (var txt in person1) {
console.log("person1's " + txt + "=" + person1[txt]);
/**
* person1's sex=男
* person1's height=174.5
*/
}
function person4(name, age) {
this.name = name;
this.age = age;
//为自定义对象添加方法
this.walk = walk;//这句话是必须要的！
function walk() {
console.log(name + "is walking!");
}
}
var yangkejun = new person4("yangkejun", 64);
yangkejun.walk();
/**
* yangkejun is walking!
*/
</script>
</head>
<body>
</body>
</html>
