Javascript / TypeScript Table of Contents Javascript / TypeScript Table of Contents Runtimes Package Registries Package Managers DevTools Unit Test E2E Testing ORM Runtimes Node.js Deno Bun Package Registries npm jsr Package Managers npm yarn pnpm bun DevTools ESLint Prettier Biome Turbo Vite Unit Test Jest.js Vitest Mocha E2E Testing Playwright Cypress Selenium ORM Prisma Drizzle ORM Knex Sequelize TypeORM