Master advanced JavaScript and TypeScript patterns through hands-on practice. Learn destructuring, optional chaining, template literal types, and more.
Start Practicing →Start solving problems to track your progress!
17 problems
17 problems
13 problems
8 problems
7 problems
14 problems
8 problems
7 problems
5 problems
5 problems
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5 problems
5 problems
5 problems
5 problems
5 problems
5 problems
5 problems
5 problems
5 problems
5 problems
Write and test your code directly in the browser with syntax highlighting
Run test cases to verify your solution works correctly
Learn from examples, hints, and step-by-step solutions
Start with easy problems and work your way up to advanced patterns