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components, state, props, hooks, JSX, routing, react testing, react-hook-form, context api, redux-toolkit

variables, functions, closures, promises, async/await, arrays, objects, ES6+ features, DOM manipulation, event handling

tags, attributes, semantic elements, forms, tables, inline elements, semantic markup, accessibility features

variables, functions, lists, dictionaries, sets, comprehensions, decorators, generators, exception handling, modules

event loop, modules, routing, middleware, REST APIs, request handling, error management, mongoose, security, typescript, zod

components, routing, data fetching, API routes, client and server components, static site generation, ssr, server actions