77 lines
1.6 KiB
HTML
77 lines
1.6 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<title>类和对象</title>
|
|
</head>
|
|
<body>
|
|
<script>
|
|
class Person {
|
|
constructor(name, age) {
|
|
this.name = name
|
|
this.age = age
|
|
}
|
|
eat(food) {
|
|
alert(`${this.name}正在吃${food}`)
|
|
}
|
|
watchAv() {
|
|
if (this.age < 18) {
|
|
alert(`${this.name}只能看《熊出没》`)
|
|
} else {
|
|
alert(`${this.name}正在观看岛国爱情动作片`)
|
|
}
|
|
}
|
|
}
|
|
|
|
let person = new Person('骆昊', 39)
|
|
person.eat('蛋炒饭')
|
|
let person2 = new Person('王大锤', 15)
|
|
person2.watchAv()
|
|
|
|
// 构造器函数
|
|
/*
|
|
function Person(name, age) {
|
|
this.name = name
|
|
this.age = age
|
|
}
|
|
Person.prototype.eat = function(food) {
|
|
alert(this.name + '正在吃' + food)
|
|
}
|
|
Person.prototype.watchAv = function() {
|
|
if (this.age < 18) {
|
|
alert(this.name + '只能看《熊出没》')
|
|
} else {
|
|
alert(this.name + '正在观看岛国爱情动作片')
|
|
}
|
|
}
|
|
let person = new Person('骆昊', 39)
|
|
person.eat('蛋炒饭')
|
|
let person2 = new Person('王大锤', 15)
|
|
person2.watchAv()
|
|
*/
|
|
|
|
// JSON - JavaScript Object Notation
|
|
// JavaScript对象表达式 - 创建对象的字面量语法
|
|
/*
|
|
const person = {
|
|
name: '骆昊',
|
|
age: 39,
|
|
eat: function(food) {
|
|
alert(this.name + '正在吃' + food)
|
|
},
|
|
watchAv: function() {
|
|
if (this.age < 18) {
|
|
alert(this.name + '只能看《熊出没》')
|
|
} else {
|
|
alert(this.name + '正在观看岛国爱情动作片')
|
|
}
|
|
}
|
|
}
|
|
// person.age = 15
|
|
person.eat('蛋炒饭')
|
|
person.watchAv()
|
|
*/
|
|
</script>
|
|
</body>
|
|
</html>
|