How to use vue parent-child component communication

This time I will bring you how to use vue parent-child component communication. What are theprecautionswhen using vue parent-child component communication. The following is a practical case, let's take a look.

      
  
 
{{msg}}
  
   

Comprehensive exercises for communication between components:
(props down, events up)
There are 2 components: chat-room, user-component
user-component is composed of label input button
chat-room is Composed of two user-component and a list

① Call user-component in chat-room to specify the name of the label
② When user-component,
clicks thebutton, the information entered by the current user is sent to the chat-room component, chat- Room receives data and displays it in the list

Code:

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the PHP Chinese website!

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