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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>一个重要的内置关系</title>
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<script type="text/javascript" src="../vue.js"></script>
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</head>
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<body>
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<div id="root">
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<!--
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1、 VueComponent.prototype.__proto__ === Vue.prototype
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-->
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<school></school>
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</div>
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<script type="text/javascript">
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Vue.config.productionTip = false // 组织开发环境提示
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// 为Vue的原型添加属性x
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Vue.prototype.x = 100
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const school = Vue.extend({
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name: 'school',
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template: `
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<div>
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<h2>学校名称： {{ name }}</h2>
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<h2>学校地址： {{ address }}</h2>
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<button @click="showX">点击触发showX</button>
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</div>`,
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data() {
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return {
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name: "修仙学院",
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address: "天山"
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}
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},
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methods: {
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showX() {
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console.log(this)
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console.log(this.x)
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}
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}
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})
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// 创建Vue实例
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const vm = new Vue({
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el: '#root',
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data: {
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msg: 'Hello',
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},
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components: {
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school:school
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}
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})
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// 创建一个Demo构造方法
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function Demo() {
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this.a = 1
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this.b = 2
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}
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// 创建一个Demo实例
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const d = new Demo()
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console.log(Demo.prototype) // 显示原型属性
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console.log(d.__proto__) // 隐式原型属性
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console.log(Demo.prototype === d.__proto__)
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Demo.prototype.x = 99
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console.log(d.__proto__.x)
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console.log(d.x)
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</script>
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</body>
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</html>
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