• Home
  • Vue.js Lifecycle Diagram

Certainly! The Vue.js lifecycle diagram illustrates the various stages a Vue instance goes through, from its creation to destruction. Here’s a basic overview of the Vue.js lifecycle stages along with a simplified diagram:

Vue.js Lifecycle Diagram

Vue.js Lifecycle Stages

  1. Creation Lifecycle:
    • beforeCreate: This is triggered before the instance is initialized, so data and events are not yet available.
    • created: The instance has been initialized, and data observation, computed properties, methods, and watchers are set up. However, the DOM is not yet mounted.
  2. Mounting Lifecycle:
    • beforeMount: This is called just before the Vue instance is mounted to the DOM.
    • mounted: The Vue instance has been mounted to the DOM, so you can now access the rendered DOM and perform operations.
  3. Updating Lifecycle:
    • beforeUpdate: This is triggered when data changes, just before the DOM is patched.
    • updated: The DOM has been re-rendered after a data change, so any post-render operations can be performed here.
  4. Destroying Lifecycle:
    • beforeDestroy: Called just before the Vue instance is destroyed. This is where you can clean up any event listeners or subscriptions.
    • destroyed: The Vue instance has been destroyed and all teardowns are completed.

This diagram and explanation provide a foundational understanding of how Vue components evolve through their lifecycle stages, allowing developers to hook into these stages to perform specific actions or logic as needed.

By Aijaz Ali

Leave Comment