<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>vue</title> <!-- <script src="vue.js"></script> --> <script src="https://unpkg.com/vue/dist/vue.js"></script> </head> <body> <div id="counter-event-example"> <parent></parent> </div> <script> Vue.component('child', { // 有效，因为是在正确的作用域内 template: '<div class="child"> <slot text="hello from child"></slot></div>', data: function () { return { someChildProperty: true } } }) Vue.component('parent', { // 有效，因为是在正确的作用域内 template:'<div class="parent"> <child> <template scope="props"> <span>hello from parent</span> <br> <span>{{ props.text }}</span> </template> </child></div>', data: function () { return { someChildProperty: true } } }) new Vue({ el: '#counter-event-example' }) </script> </body> </html>