IntermediateLesson 9 of 1740 min 路 hands-on
Data Fetching
Part of the React course
Almost no real app can get by showing only data the user already has on their screen. At some point a component needs to ask a server for something, a list of users, a product's details, a page of search results, and until that answer comes back there is a gap of time where the component has nothing to show yet, and a real chance the answer never comes back at all because the network failed.
This lesson's folder holds a small Vite project whose main.jsx shows the lesson's component in the browser. Install its packages and start the dev server ...
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Start this lessonData FetchingWhat you'll learn
- Fetch inside useEffect
- Loading/error/data states
- AbortController cleanup
- Preventing setState after unmount
- Mention TanStack Query as a next step
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All lessons in this course
17 lessons- 1What is React?25 min
- 2JSX and Components30 min
- 3Props30 min
- 4State with useState35 min
- 5Handling Events30 min
- 6Conditional Rendering and Lists30 min
- 7Forms and Controlled Inputs35 min
- 8Effects with useEffect40 min
- 9Data Fetching40 min
- 10Component Composition35 min
- 11Context and useContext35 min
- 12useReducer35 min
- 13Custom Hooks35 min
- 14Performance and Memoization35 min
- 15Routing with React Router40 min
- 16Testing React Components40 min
- 17Capstone: Todo App60 min
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