描述：通过App.vue绑定#App元素（进行展示）.div#id中间写入任何内容都会失效.
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <meta name="viewport" content="width=device-width,initial-scale=1.0"> 6 <title>demos</title> 7 </head> 8 <body> 9 <div id="app"></div> 10 <!-- built files will be auto injected --> 11 </body> 12 </html>
原文：https://www.cnblogs.com/cisum/p/9612818.html