Runnable JavaScript Examples for the TryJS Playground

Start from runnable JavaScript and TypeScript examples, then edit and run them in the TryJS playground. These examples are supporting material for the playground, not a separate snippet-sharing product.

JS Fundamentals

Load map, filter, reduce, destructuring, spread and rest operators, closures, hoisting, optional chaining, nullish coalescing, and memoization examples directly into the playground.

Async Patterns

Run promises, async/await, Promise.all, Promise.race, Promise.allSettled, async iterators, and JavaScript event loop examples without setting up a local project.

TypeScript Essentials

Explore generics, type guards, utility types, and discriminated unions in runnable TypeScript examples that compile in the browser.

Open in the Playground

Every example is editable in TryJS, with the same live console, TypeScript support, npm imports, and shareable URLs as the main playground.