I guess your index.html
does not have app-root
. Check your index.html
has this element.
index.html
<body>
<app-root></app-root> <!-- check your index.html has this line. -->
</body>
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.