Vue2-component custom event (realize child to parent) - Code World

Vue2-component custom event (realize child to parent)

Language 2023-06-05 11:59:53 views: null

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Origin blog.csdn.net/weixin_54614831/article/details/127093987

Vue2-component custom event (realize child to parent)

Four, Vue component development study notes-parent-child component communication, the parent passes values to the child (props), the child passes values to the parent (custom event), slot slot

Component parent child transmission (event mechanism)

Use of Vue.js custom events (realize communication between parent and child)

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 -- event trigger between parent and child components

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

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

Vue component communication: parent and child, child and parent

Vue2 subcomponents bind v-model to realize parent-child component communication

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

vue usage in the $ event - get the current parent element, child elements, siblings

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

Realize a recursive component through parent-child components in Vue3

props (parent-to-child) and custom events (child-to-parent)

vue3.0 parent-child component custom v-model parameter passing

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).

Data and event delivery of parent and child components

2. parent and child

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

Vue child component registered to the parent component summary

Modify the style of the child component in the vue parent component

Vue child component passes value to parent component

Vue parent component passes object to child component

Vue child component calls parent component method

Vue parent component passes object to child component

Event subscription package to pass the non-parent-child value component (React)

[WeChat Mini Program] Creation, communication and event triggering of parent-child components; component life cycle

Component passes value (the child page click event changes the parameters of the parent page and is directly triggered)

Child component replaces parent component

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