Vue $emit() cannot trigger the parent component method. The Vue child component uses the custom event $emit to pass data to the parent component, which is invalid. - Code World

Vue $emit() cannot trigger the parent component method. The Vue child component uses the custom event $emit to pass data to the parent component, which is invalid.

Language 2023-09-15 21:10:04 views: null

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Origin blog.csdn.net/m0_61672533/article/details/128537732

Vue $emit() cannot trigger the parent component method. The Vue child component uses the custom event $emit to pass data to the parent component, which is invalid.

Vue child component passes value to parent component (this.$emit() method)

How parent and child components in VUe pass $emit to trigger custom events

Vue $emit calls the asynchronous method of the parent component, and then executes the method of the child component after returning the result

In Vue or uniapp: Prop passes by value (parent to child), this.$emit (child to parent), this.$refs parent calls child component method

Vue2, the child component does not trigger an event to pass a value to the parent component

The vue3 parent component uses the method of the child component, and the child component passes the value to the parent component

Vue: Method for child component to modify parent component data and child component with parameters to modify parent component data (props)

vue subcomponents $ emit method calls the parent component method

In Vue, pass the backend data requested by the parent component to the child component props

Summary of the method of passing one or more parameters to the parent component $emit in Vue

vue neutron component with the parent component communication this. $ emit () use

Vue3 setup tsx child component passes value emit to parent component

Vue gets the data of the child component in the parent component

No trigger event, vue subassemblies pass values to the parent component

Vue child component calls parent component method

The vue parent component updates data asynchronously, and the child component props cannot receive the value passed by the parent component? -----------Solution

Vue component usage (the parent component listens to the data changes of the child component, the child component uses the data of the parent component, and listens to the data changes of the parent component)

Vue2-component custom event (realize child to parent)

$ Emit component event Vue in use

vue child to parent component values pass

VUE parent-child component pass by value

Vue child parent component pass value

In Vue, the parent component passes data to the child component or calls the event of the child component.

The child component modifies the value of the parent component through .sync and $emit()

The vue child component calls the parent component method and value (parent to child); the parent component calls the child component method and value (child to parent).

Solve the problem that the parent component in vue passes data to the child component through props, but the child component cannot receive it

vue3 parent-child component passes value; vue3 child component passes value to parent component; vue3 child component listens to parent component interface to pass value; parent-child component event call

The vue3.0 parent component uses the value in the child component and calls the method in the child component

Vue component parent and child components pass reference type data

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