Unmounting Hooks
Explore VueJS lifecycle unmounting hooks beforeUnmount and unmounted to effectively manage component destruction. Understand how to use these hooks for cleaning intervals, closing connections, and removing event listeners to maintain efficient Vue applications. This lesson helps you prevent memory leaks by properly detaching third-party libraries and handling component cleanup tasks.
We'll cover the following...
Let’s look at the last two regular lifecycle hooks—beforeUnmount and unmounted. These two get called right before and right after removing a component respectively. A component is considered destroyed once everything related to the component is gone. This includes reactivity, templates, and child components. Let’s first see how we can add them.
Note: In Vue 2,
beforeUnmountandunmountedused to be namedbeforeDestroy...