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73 lines
1.6 KiB
73 lines
1.6 KiB
<!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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|
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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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|
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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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|
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</script> |
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</body> |
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</html> |