Lifecycle of the Svelte Component

Understanding lifecycle of component is important to implement.

Jangwook Kim

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2 min read

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Apr 17, 2020

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This post is one of Svelte Tutorial series.

1. Up and running with Svelte
2. How to handle Events in Svelte
3. How binding data into Svelte Component
4. [This Post] Lifecycle of the Svelte Component

LifeCycle Functions

The svelte has some lifecycle functions.

1. onMount: runs after the component is first rendered to the DOM.
2. onDestroy: runs when the component is destroyed.
3. beforeUpdate: runs before the DOM has been updated.
4. afterUpdate: runs after the DOM has been updated(It's counterpart of the beforeUpdate).
5. tick: unlike other functions(I'll describe at the last part of this post).

LifeCycle