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DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Documenttitle>
head>
<body>
<div id="app">
<p v-if="flag">这是被v-if控制的元素p>
<p v-show="flag">这是被v-show控制的元素p>
<hr>
<div v-if="type === 'A'">优秀div>
<div v-else-if="type === 'B'">良好div>
<div v-else-if="type === 'C'">一般div>
<div v-else>差div>
div>
<script src="./lib/vue-2.6.12.js">script>
<script>
const vm = new Vue({
el: '#app',
data: {
flag: true,
type: 'A'
}
})
script>
body>
html>