Vue component reports an error:

[Vue warn]: Failed to mount component: template or render function not defined.

found in

—> & lt; Anonymous>
< App> at src/App.vue
< Root>

 

Error code:

 

 

 

Solution:

Change component to components

 

Modified code:

 

 

 

Why report an error
there is a pattern called named view in Vue router

Originally, only one routing view can correspond to one component in a page. Now, multiple routing views can correspond to multiple components.

When using multiple components, use components and write them in the form of objects

When using a single component, use component

 

 

 

 

More routing, component details: https://blog.csdn.net/xiaodi520520/article/details/88866427