Browse runnable JavaScript and TypeScript code snippets. Closures, async/await, promises, destructuring, generics, type guards, and more — all editable in the TryJS playground.
Learn map, filter, reduce, destructuring, spread and rest operators, closures, hoisting, optional chaining, nullish coalescing, and memoization with runnable examples.
Master promises, async/await, Promise.all, Promise.race, Promise.allSettled, async iterators, and the JavaScript event loop with interactive code snippets.
Explore generics, type guards, utility types, and discriminated unions in runnable TypeScript examples that compile in the browser instantly.
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