v-if,v-show与v-for
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>v-if,v-show与v-for指令</title> <!--1 引入Vue库--> <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> </head> <body> <div id="app"> <!--根据慕课网DellLee老师讲解的vue2.5入门课程笔记，视频地址： https://www.imooc.com/learn/980--> <!--1 v-if 当表达式为false，则删除，为true，则创建--> <div v-if="show">hello world</div> <button @click="handleClick">toggle</button> <!--2 v-show 当表达式为false，则隐藏，为true，则显示--> <div v-show="show1">hello world</div> <button @click="handleClick1">toggle</button> <ul> <!--3 v-for 循环集合--> <li v-for="item of list" :key="item">{{item}}</li> </ul> </div> <script> var app = new Vue({ el: "#app", data: { show: true, show1: true, list:[1,2,3] }, methods: { handleClick: function () { this.show = !this.show; }, handleClick1: function () { this.show1 = !this.show1; } } }); </script> </body> </html>