HMVue2.3.5【(5)条件渲染指令】
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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>Document</title> </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>