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menu_book Course Curriculum (Svelte 5) expand_more

Component Syntax

SFC anatomy Markup expressions If blocks Each blocks Await blocks Class directives Style directives Event handlers

Runes & Reactivity

$state $derived $effect $props $bindable Reactive collections State ownership Deep reactivity

Composition

Props Callback props Bindings Snippets {@render} Context Actions DOM references

Motion & Lifecycle

Mounting tick Transitions Custom transitions Animations Crossfade Motion preferences Browser-only code

SvelteKit Routing

File-based routes Layouts Load functions Form actions Server routes Error pages Cookies Environment modules

Production

Server-only modules Validation SSR and hydration Prerendering Adapters Testing Performance budgets Deployment architecture

Svelte 5 / Composition

Actions

Learn Actions in Svelte 5 with a dedicated explanation, a concept-specific example, a production caution, and a mastery check.

12 min read • Intermediate

svelte-5-023.svelte

svelte

<script>function focus(node){node.focus();return{destroy(){}}}</script>
<input use:focus>

What to watch

Content source & attribution

Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

Actions Mastery Check →