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TOPIC OVERVIEW

svelte/Component Basics

Break your interface into small reusable Svelte components that are easier to build and maintain.

15 QuestionsBeginnerHigh Priority ~10 min read

Components are the main building blocks of a Svelte application. Instead of putting an entire page into one file, you can split the interface into reusable pieces such as buttons, forms, navigation bars, cards, and complete sections.

A component can receive data from its parent, maintain its own state, respond to events, and render other components. Good component boundaries make an application easier to understand and reduce duplicated UI code.

What you'll walk away knowing

What a Svelte component is
How components are created and reused
How data moves into components
How to decide where component boundaries should be
1What are slots used for in Svelte?Intermediate2What is the purpose of export let?Intermediate3What is the default export in a .svelte file?Beginner4How do you create and use a Svelte component?Intermediate5How are props passed to a child component?Intermediate6What are slots used for in Svelte?Intermediate
All Topics
1
Basics
Syntax and Structure
Component Basics
2
Reactivity
Event Handling
Conditional UI Patterns
Bindings
3
Lifecycle Hooks
Slots and Component Communication
Stores and State Sharing
Styling and Transitions
4
SvelteKit Basics
SSR and SPA
Forms and Events
Code Organization
5
Performance and Optimization
Security
Testing and Tooling
Advanced Features
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