BigFrontEnd.dev

Practice + Prepare = Offer

BFE.dev is the platform to
practice your Front-End development skills,
prepare your Front-End job interview and
communicate with developers around the globe,
like LeetCode for Front-End.

More than 600 Front-End questions

JavaScript coding question

As a Front-End developer, JavaScript is the core skill of everything.

170+

React coding question

React is the popular framework for large companies.

10+

JavaScript quiz

Test your knowledge of JavaScript the language itself.

130+

React quiz

Test your knowledge of React quirks.

20+

TypeScript puzzle

TypeScript is the most popular JavaScript alternative.

60+

CSS question

CSS questions are common in interviews as well.

20+

Front-End Interview Question

General knoweldge of Front-End development and behavioral questions.

170+

Front-End System Design

System design questions test your overall enginneering knowledge depth.

20+

QuickCode 75

Quickly check your understanding of space/time complexity.

All-in-one coding experience

Code editor from VS Code with TypeScript support

Instant submit and local execution and easy to view spec details

Built-in Screen Recording

Chat with others and free access to community solutions

Premium contents - companies & solutions

AI solutions from ChatGPT

You can access AI solutions from ChatGPT for all questions on BFE.dev, and for free! (use at your own risk though)

Skill up with friends around the globe.

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50k+

SUBMISSION

3m+

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