- React is the most requested front-end library in junior developer job postings.
- Learn solid JavaScript first; React is much easier afterwards.
- Core concepts: components, props, state, hooks, routing and data fetching.
- Pair React with TypeScript to stand out.
React powers the interfaces of countless startups and large companies. If you want to work as a front-end or full-stack developer, learning React is one of the highest-leverage skills you can pick up. Here is how to learn React online efficiently.
Prerequisites before React
- HTML and CSS, including flexbox and responsive design.
- Modern JavaScript: arrow functions, destructuring, array methods (map, filter), modules, promises and async/await.
- Basic Git and the command line.
Core React concepts in order
- Components and JSX
- Props and composition
- State with useState
- Side effects with useEffect
- Lists, keys and forms
- Routing between pages
- Fetching data from APIs
- Context and state management
- Testing components
React project ideas for your portfolio
- A job board that filters listings from an API.
- A personal finance dashboard with charts.
- A booking app with forms, validation and a calendar.
- A full-stack app: React front end with a Node.js API and database.
Become a job-ready React and full-stack developer.
See the Web Development Bootcamp →React + TypeScript: the professional combination
Most professional React codebases now use TypeScript. Read TypeScript vs JavaScript to understand why. The TypeScript for JavaScript Developers course takes about 18.5 hours (from $449).
The Web Development bootcamp and the self-paced Web Development Course (about 120 hours, from $1,599) both cover modern front-end and back-end development. View the web development programs. Full roadmap: full-stack developer roadmap.
Frequently asked questions
How long does it take to learn React?
With solid JavaScript, you can learn React fundamentals in 4 to 6 weeks of regular practice. Becoming comfortable building full applications takes a few months.
Should I learn JavaScript before React?
Yes. React is a JavaScript library, so strong JavaScript fundamentals make React much easier to learn.
Is React still in demand?
React remains one of the most requested front-end skills in developer job postings.
Can I get a job knowing only React?
Employers usually expect React plus JavaScript, HTML/CSS, Git and some back-end or TypeScript knowledge, demonstrated through portfolio projects.
Related guides
- How to Become a Web Developer in Canada Without a Degree (2026 Guide)
- TypeScript vs JavaScript: Which Should You Learn (and When)?
- Git and GitHub for Beginners: What They Are and How to Start
- Coding Bootcamp vs University Degree in Canada: Which Path Is Right for You?
- 10 Tech Jobs You Can Get Without a Degree in Canada
- Compare all online tech courses
Disclosure: some links in this article are affiliate links. If you enrol through them, Focus Courses may earn a commission at no extra cost to you. Prices are those listed by the provider in October 2026 and can change. Read our disclosure.
