MICRO-COURSE

How React Works

How React Works: 14 short lessons, one for each concept. Components and JSX, the virtual DOM, reconciliation, rendering and re-rendering, state, props, hooks, effects, context, keys in lists, concurrent rendering, suspense, server components, and hydration.

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01 / WATCH

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02 / UNDERSTAND

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Components and JSX, the virtual DOM, reconciliation, rendering and re-rendering, state, props, hooks, effects, context, keys in lists, concurrent rendering, suspense, server components, and hydration.

This is a learning outline. A complete worked tutorial has not been published for this topic yet.

Concept scope

03 / TRY IT

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Choose one question about How React Works that you want to answer.
Write down a small example, its inputs or starting point, and the result you expect.
Explain your reasoning and note what you would like reviewed in a live or 1:1 session.

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A short example, reasoning and an open question

Check your understanding

Explain the concept in your own words and identify where it fits in the subject.
Show one small example, the expected result and the reasoning behind it.
Record one limitation or edge case and a question to discuss with a mentor.

04 / LEARN WITH HELP

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CONTINUE WITH ONE CONCEPT

Explore 14 focused topics.

Each topic opens its own micro-course, with its learning guide, recording status and session requests.

14 results1–12

Lesson

Components and JSX

A short lesson on components and JSX from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

The virtual DOM

A short lesson on the virtual DOM from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Reconciliation

A short lesson on reconciliation from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Rendering and re-rendering

A short lesson on rendering and re-rendering from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

State

A short lesson on state from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Props

A short lesson on props from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Hooks

A short lesson on hooks from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Effects

A short lesson on effects from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Context

A short lesson on context from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Keys in lists

A short lesson on keys in lists from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Concurrent rendering

A short lesson on concurrent rendering from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Suspense

A short lesson on suspense from the How React Works micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

How React Works

Recorded video

Start with the topic guide.

Concept scope

Prepare a focused example

Check your understanding

Need a walkthrough?Stay with this topic.

Request a live session for this topic.

Explore 14 focused topics.

Components and JSX

The virtual DOM

Reconciliation

Rendering and re-rendering

State

Props

Hooks

Effects

Context

Keys in lists

Concurrent rendering

Suspense

Need a walkthrough?
Stay with this topic.