How do I implement parent-child communication in Vue 3?
An example of an AI chatbot conversation about Vue 3 parent-child component communication.
How do I implement parent-child communication in Vue 3?
In Vue 3, you can use props to pass data from a parent component to a child component, and emit events to send data back.
Can you give me an example of using props?
Sure! In the parent component, you can pass a prop like this: <ChildComponent :myProp='parentData' />. In the child, you can access it using 'this.myProp'.
What about emitting events from the child to the parent?
You can use the $emit method in the child component. For example, this.$emit('myEvent', data) will send 'data' to the parent.
How do I listen for that event in the parent?
In the parent component, you can listen for the event like this: <ChildComponent @myEvent='handleEvent' />. Then define 'handleEvent' to process the data.
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