62 lines
1.4 KiB
HTML
62 lines
1.4 KiB
HTML
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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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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
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</head>
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<body>
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<div id="app">
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主角团：
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<div v-for="(i,j) in arr">{{i.name}} {{j}}</div>
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<input type="text" v-model="shuru" />
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{{shuru}}
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<div>
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{{num1}} {{num2}}
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</div>
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<div>sum:{{sum}}</div>
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<div>
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{{ beforechange}}
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</div>
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<button @click="change">change</button>
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</div>
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<script>
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var app = new Vue({
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el: '#app', //绑定html元素的标志
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data: {
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arr:[{name:"ruby"},{name:"weiss"},{name:"blake"},{name:"yang"}],
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shuru:"",
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num1:1,
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num2:2,
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beforechange:"0.0"
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},
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methods:{
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change:function(){
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this.beforechange="101"
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}
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},
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computed:{
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sum:function(){
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return this.num1+this.num2
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}
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},
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watch:{
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beforechange:function(){
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console.log("ruby")
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}
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}
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})
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</script>
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</body>
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</html>
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