Understanding React
From the creator of "JavaScript: Understanding the Weird Parts"
Deeply understand how React works under-the-hood by diving into the React source code itself.
This course is designed for developers both new and experienced at using React and is now available at a limited early release price.
Upcoming content will cover topics such as: all React hooks, component design, performance, Suspense, Forms, toolchains, React Server Components, a final project, and more.
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Course Curriculum
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Introduction
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The DOM and Declarative Programming
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React Elements
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- React Elements (0:26)
- Conceptual Aside: Recursion (4:17)
- Conceptual Aside: POJOs (12:52)
- Creating React Elements (11:36)
- React Element Trees (5:25)
- Conceptual Aside: DOM Element References (1:31)
- React Elements and DOM Elements (6:03)
- React DOM Updates (12:11)
- Components (6:01)
- Components and Reusability (11:07)
- Conceptual Aside: Pure Functions (5:18)
- Props (12:24)
- Template Logic (14:11)
- Element Properties (7:18)
JSX
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Fiber and Reconciliation
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Execution Contexts and Pausing Work
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React DOM and Rendering
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Events
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State
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Hooks, State, and Reducers
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- Hooks and State (0:24)
- Fibers, Hooks, and State (4:04)
- Conceptual Aside: Queues (3:54)
- Update Queues (2:46)
- State and Re-renders (2:38)
- useReducer (Part 1) (7:48)
- useReducer (Part 2) (6:04)
- useState (Part 1) (4:16)
- useState (Part 2) (10:47)
- Rules of Hooks (7:43)
- useState (Part 3) (10:37)
- Conceptual Aside: Shallow Equality and Object.is (8:11)
- Immutable State (7:46)
Adding Your Own Side Effects: useEffect
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- Adding Your Own Side Effects: useEffect (0:15)
- Conceptual Aside: Pure Functions and Side Effects (1:31)
- Adding Your Own Effects (11:46)
- Dependencies (8:06)
- A Game of Ping Pong (2:34)
- Unmounting and Effects (9:54)
- Fetching Data...or not (10:26)
- Conceptual Aside: Stale Closures (4:08)
- useEffect and Stale Closures (9:51)
- What Not to Do (10:25)
UPCOMING: useRef and forwardRef
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UPCOMING: Custom Hooks
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UPCOMING: useContext
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UPCOMING: useMemo and React.memo
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UPCOMING: useCallback
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UPCOMING: Ifs and Loops
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UPCOMING: useId
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UPCOMING: Toolchains
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UPCOMING: Other Hooks
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UPCOMING: Strict Mode
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UPCOMING: Function Composition
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UPCOMING: Forms
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UPCOMING: Suspense and lazy
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UPCOMING: React Dev Tools
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UPCOMING: CSS and Components
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UPCOMING: Class Project
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UPCOMING: React Server Components
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UPCOMING: Conclusion
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