<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <div id="example1"> <div id="kk">你好</div> <example :num="0"></example> </div> <script src="https://unpkg.com/vue/dist/vue.js"></script> <script type="text/javascript"> Vue.component('example', { name: 'example', template: '<span><span style="color:#F00;">{{num}}</span><example :num="num+1" v-if="currNum"></example></span>', props: ['num'], computed: { currNum: function () { return this.num < 10 } } }) var r = new Vue({ el: '#example1' }) </script> </body> </html>
页面效果:
你好
012345678910