内置指令:
v-show 根据表达式值的真假 显示或隐藏html元素
v-show 指令是通过css样式 display控制元素的显示与否
v-show指令实例:
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <div id="app"> <h1 v-show="yes">yes</h1> <h1 v-show="no">no</h1> <h1 v-show="age >= 25">age: {{age}}</h1> <h1 v-show="name.indexOf('zhangsan') >= 0">Name:{{name}}</h1> </div> <script src="https://unpkg.com/vue@next"></script> <script> const vm = Vue.createApp({ data(){ return { yes:true, no:false, age:28, name:"zhangsan" } } }).mount("#app"); </script> </body> </html>