Vue JS 3 Tutorial for Beginners #23 Vue.js 3 Lifecycle Hooks
0Vue.js 3 Lifecycle Hooks
What are the lifecycle hooks in Vue?
What is the difference between Vue 2 and Vue 3 lifecycle hooks?
What are lifecycle hooks?
What are the debug hooks in Vue?
In Vue.js 3, lifecycle hooks allow you to perform actions at specific stages of a component's life, such as before it's created, mounted, updated, or destroyed. Here's a breakdown of the lifecycle hooks available in Vue.js 3:
beforeCreate(): This hook is called synchronously immediately after the instance has been initialized, before data observation and event/watcher setup.
created(): Called synchronously after the instance is created. The instance has been initialized, the data has been observed, and events and watchers are set up.
Mounting
beforeMount(): Called right before the mounting begins. The render function is about to be called for the first time.
mounted(): Called after the component has been mounted to the DOM. The template has been rendered, and the component is now visible in the DOM.
Updating
beforeUpdate(): Called when data changes, just before the DOM updates.
updated(): Called after a data change causes the DOM to re-render and update.
Destruction
beforeUnmount(): Called right before a component is unmounted. This is the last chance to perform cleanup or teardown logic.
unmounted(): Called after a component is unmounted and destroyed. This is where you can perform cleanup tasks, such as clearing timers or event listeners.
Error Handling
errorCaptured(): Called when an error from any child component is captured.
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