This article introduces V0, an AI‑driven tool from Vercel that transforms natural‑language prompts or design screenshots into ready‑to‑use React, HTML, and Tailwind CSS code, compares it with other front‑end solutions, and provides step‑by‑step guidance on creating, editing, and exporting components.
This article explains how to use React's Context API to implement elegant multi‑theme switching, avoid props drilling, manage multiple contexts, and apply memoization techniques to prevent unnecessary re‑renders, improving performance and maintainability.
Google’s Angular lead explains how Angular and React share core reactive principles, use similar change‑detection algorithms, and are converging around the Signals primitive, highlighting the implications for developers, performance, and future framework integration.
This article explains how to correctly use React's useRef hook with TypeScript across several real‑world scenarios, compares different initialization patterns, highlights typical mistakes with useLayoutEffect, and provides best‑practice solutions for forwarding refs, merging refs, and exposing imperative handles.
This article showcases a React‑based Windows 11 clone web app, detailing its interactive desktop, start menu, taskbar, draggable windows, responsive design, and the modern tech stack used to recreate core OS features for educational purposes.
This article explains how to fetch an HTML string from an API and display it either via an iframe or by rendering the HTML directly in React or Vue, and provides multiple download options—including saving the raw HTML, capturing an image with html2canvas, and generating a PDF using jsPDF.
This article introduces the Varlet icon builder toolchain, which enables rapid creation of enterprise or open‑source icon libraries, supporting SVG to Vue 3, React, ESM/CJS modules, web fonts, automatic component import, Figma integration, and provides CLI commands for development, building, and publishing.
This article walks through the author’s experience creating a custom AI agent using LangChain and OpenAI APIs, explains the concepts of AI agents and the ReAct reasoning framework, provides step‑by‑step code, discusses required libraries and APIs, and shares practical tips and challenges encountered.
This article dissects the lightweight Zustand state‑management library for React, covering its project layout, core store implementation, the createStore API, the useStore hook, middleware integration, and data‑flow mechanics that enable high‑performance, flexible state handling.
This guide introduces Zustand, a minimalist React state management library, covering its core concepts, advantages, installation, API usage, best practices, middleware options, TypeScript integration, performance optimizations, and how to integrate it with Next.js for both client‑side and server‑side rendering.
This article explains how parent and child components interact in React, why certain child components re‑render on state changes, and how techniques like React.memo, useCallback, and useMemo can be used to control rendering performance.
Explore seven core methods for React component communication—including Props, State Lifting, Context, Refs, Hooks, Event Emitters, and Redux—detailing practical code examples, key considerations, and best practices to help developers choose the optimal approach for various application scenarios.
This article explores React 19's new React Compiler, explains how it automatically memoizes components to cut redundant renders, and walks through three practical examples that compare its behavior with traditional React.memo, useMemo, and useCallback techniques.
This comprehensive guide walks you through initializing a TypeScript project, explains core and advanced type features, shows how to integrate third‑party libraries, and provides real‑world examples for React and Node.js, while offering best‑practice tips to boost code quality and performance.
This article explains how to set up Tailwind CSS in a Next.js project, addresses dynamic class name problems, class‑priority conflicts, and provides solutions using tailwind‑merge, clsx, and class‑variance‑authority, along with useful tools and VSCode extensions for smoother development.
The author recounts their recent journey into React, covering required fundamentals, challenges with TypeScript and input handling bugs, and how expert guidance clarified React's data‑driven design, ultimately improving their understanding and development approach.
This article explains the new React 19 useActionState hook, how it replaces useFormState/useFormStatus, and demonstrates its integration with Next.js Server Actions through four progressive examples, covering traditional implementations, the deprecated hooks, the new hook usage in forms and non‑form components, and best‑practice patterns.
This article explains how React refs work with native elements, class components, and function components, demonstrates using useRef, forwardRef, and useImperativeHandle, and discusses the benefits, drawbacks, and alternative patterns for exposing component instances and DOM nodes.
This article explains how to build a custom React @mention input component that highlights mentioned users, treats the whole @username as a single deletable unit, tracks cursor position for a floating selector, and returns both the plain text and the list of mentioned users to the parent component.
The 2023 NetEase Cloud Music Annual Listening Report showcases a front‑end animation pipeline where the motion designer codes directly in React, using CSSTransition for page fades, CSS keyframes for text and particle effects, SVG masks for data visualisation, 3D perspective tricks, and extensive device testing to balance visual richness with performance.
The 2023 NetEase Cloud Music annual‑report front‑end case study details how sub‑second first‑screen loads, SPA routing with TypeScript, GPU‑accelerated animations, optimized media handling, multi‑layer quality monitoring, and a unified development platform together boost performance, reliability, and engineering efficiency, driving higher DAU and share‑rate.
The article explains how React 19 silently altered Suspense behavior by disabling parallel rendering of sibling components, turning data fetching into a waterfall pattern, which caused significant performance regressions for many sites, sparked community backlash, and was eventually rolled back after extensive discussion.
This article examines how server‑side rendering can serialize normally non‑serializable data such as Promises, Dates, RegExp, and BigInt, comparing Remix’s defer‑based approach with Turbo‑Stream’s encode/decode method, and discusses their mechanisms, benefits, and challenges.
This article explains how to efficiently locate and edit React component source files in large projects by using the click-to-react-component tool, covering installation, demo setup, interaction shortcuts, and the underlying mechanism that maps DOM elements to source code via React fiber nodes and VSCode links.
This article reviews the ten most valuable JavaScript libraries for 2024—including React, Redux, D3.js, TensorFlow.js, Angular, Node.js, Vue, Svelte, Three.js, and Lodash—detailing their core features, performance benefits, typical use cases, and why they remain essential tools for modern frontend development.
React 19 RC introduces exciting new features, a revamped JSX transform, and several breaking changes, and this guide walks you through installing the RC, updating TypeScript definitions, using codemods, handling deprecated APIs, and adapting to strict mode and UMD build removals.
This article introduces the new React 19 APIs—including the versatile use API for data fetching and conditional context, resource preloading helpers, enhanced Actions with useTransition, useActionState, useFormState, useOptimistic, as well as deprecations, improved hydrate error messages, and the experimental React Compiler—providing code examples and migration guidance.
This article analyzes the performance bottlenecks of an H5 map built with the AMap JS‑SDK, explains the causes of frame drops on low‑end devices, and presents a step‑by‑step refactor using data‑fetching tweaks, DistrictCluster aggregation, and conditional rendering to achieve smoother interactions.
This article explains how to quickly locate and edit React component source code in large projects using the click-to-react-component tool, covering installation, usage, underlying mechanisms involving React fiber nodes, Babel source mapping, and VSCode integration, with practical code examples and UI details.
The JavaScript framework ecosystem has surged forward with React adding Server Components, a Compiler and Server Actions; Vue 3.4 delivering faster reactivity and a Vapor mode; Angular introducing Signals and partial hydration; Next.js unveiling an App Router and Turbopack; Nuxt, Svelte, Remix and Astro each releasing performance‑focused features, underscoring a rapidly evolving landscape for modern web development.
This article explains how to design, develop, preview, debug, and publish NPM component extension packages for the Baidu AI‑Speed platform, covering supported tech stacks, extension mechanisms, core modules, development tools, code conversion examples, and common deployment questions.
This article explains how to reproduce a website's fragmented shard animation by inspecting the original page, extracting clip‑path polygons with JavaScript, and building a reusable React component using Tailwind CSS transitions and delays, plus a custom drawing board for creating new shapes.
The article introduces the newly open‑sourced React Compiler, explains its underlying concepts and automatic memo optimization, provides step‑by‑step usage instructions with health‑check, ESLint and Babel plugins, and shares performance results from Meta’s production apps.
This article explores JD Retail's AI‑driven multi‑agent system that mimics real‑world merchant decision processes, detailing the ReAct paradigm, agent roles, workflow, training methods, monitoring, and future directions for building intelligent e‑commerce assistants.
The article details the technical architecture and design of the StarCreate landing‑page editor, describing its monorepo structure, low‑code JSON template, backend permission system, canvas implementation choices, Valtio state management, and the resulting operational benefits and future expansion plans.
This article explains when React's useEffect callbacks run—whether synchronously before rendering or asynchronously after rendering—by analyzing four demos, discussing the impact of event types, rendering workload, and React's internal scheduling rules.
This article presents a comprehensive overview of JD Retail's AI‑driven multi‑agent architecture for e‑commerce assistance, detailing how real‑world merchant decision processes are modeled with ReAct‑based LLM agents, the hierarchical workflow, training pipelines, monitoring mechanisms, and future directions for scalable intelligent commerce support.
React Conf 2024 showcased the upcoming React 19 beta with new Actions hooks, server components, ref-as-prop, metadata support, resource preloading, and the experimental React Compiler, while also announcing the merger of Remix into React Router v7, offering developers a comprehensive overview of the latest frontend innovations.
This article explains how to preview a wide range of file types—including images, audio, video, markdown, plain text, Office documents, PDFs and external websites—in a React front‑end by using native HTML tags, embed/iframe techniques, and libraries such as marked and highlight.js, while also supporting page or time positioning.
This article explains common React performance‑optimization methods, walks through a real‑world form‑editor use case, details the profiling, diagnosis, and step‑by‑step improvements—including memoization, callback stabilization, diff filtering, and pure‑function components—that reduced render time from 195 ms to under 10 ms.
This article details the migration of the Cloud Music desktop client from a legacy NEJ‑CEF hybrid to a React‑based architecture, outlines four major performance challenges, and explains the step‑by‑step optimizations—including API preloading, render memoization, virtual‑list replacement, and resource‑usage reductions—that cut startup latency by 48%, eliminated interaction stutter, and dramatically lowered CPU, GPU, and memory consumption.
This article examines the common React modal communication problem, compares the conventional controlled‑component callback approach with the useImperativeHandle solution, and introduces a novel pair of hooks (useShareState and useShareValue) that enable seamless state sharing between parent and child components.
This article explains the difference between controlled and uncontrolled components in React, illustrating when to use each approach, how defaultValue and value work, and provides practical code examples and a custom hook to support both modes in component development.
This article explores browser drag‑and‑drop capabilities, compares native HTML5 DnD, mouse/touch events, and Canvas approaches, reviews popular libraries such as React DnD, Moveable and Interact.js, and provides a step‑by‑step guide to extending Moveable with custom ables for intelligent placement.
This article explains how to obtain and calculate various distance and size properties in the browser—such as pageY, clientY, offsetY, scrollY, getBoundingClientRect, scrollTop, offsetTop, clientTop, and height metrics—using React event handlers and plain JavaScript, with practical code examples.
React 16 feels smoother than React 15 because its new Fiber architecture breaks state updates into small, priority‑aware units that the Scheduler runs asynchronously, allowing high‑priority user input to render first while lower‑priority work is paused and resumed, eliminating the lag seen in full‑tree re‑renders of React 15.
PlayEdu is a comprehensive open‑source training system built with Spring Boot, MySQL, Redis, MinIO on the backend and React, Redux, Ant Design on the frontend, offering detailed deployment guides, feature overviews, and screenshots for both admin and student portals.
This guide walks through selecting a suitable visualization library for DingTalk mini‑programs, explains why AntV F2 is optimal, and provides step‑by‑step instructions for integrating F2 4.x into a Taro + React project, covering canvas context handling, pixel‑ratio scaling, custom tooltips, and common pitfalls.
This article walks through building a reusable OnBoarding (tour) component for React applications using Ant Design 5, explaining the underlying mask technique, step management, animation handling, resize observation, and providing complete source code and usage examples.
An in‑depth guide shows how to remove the need for the observer wrapper in Formily/reactive by leveraging React’s internal __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED, using ReactionStack, Object.defineProperty, and ahooks to automatically refresh components when reactive data changes.
This guide outlines a clear, maintainable CMS architecture for technical blogs, covering logical, development, physical, process, and scenario views, recommending MVC with Go, MySQL, and React/Vue, and provides a simple Go API example.
This article walks through creating a customizable work‑calendar component in React, covering lunar‑type date APIs, essential Date methods, data structures, algorithms for generating month and year weeks, and implementing a draggable box‑selection feature for batch date type editing.
This article shares practical insights and best‑practice techniques for using the Zustand state‑management library in React, covering component re‑render optimization, selective persistence, debugging with dev‑tools, handling multiple store instances, custom selectors, and a Vite plugin for automatic selector injection.
This article explains modern best practices for building forms in React, compares controlled and uncontrolled approaches, shows how to mix them, discusses server‑side components, validation, error handling, and recommends using FormData over useRef for cleaner, more performant code.
This article explains how to create a LowCodeEngine plugin that enables non‑technical users to configure button‑click events and modal dialogs visually, covering background concepts, manual implementation steps, plugin‑based visual configuration, core technical details, and a concluding assessment of the engine's strengths and limitations.
This article explains how the open‑source Tango low‑code engine uses a CodeSandbox‑based sandbox architecture—including dependency initialization, transpilation, and cross‑origin communication—to enable real‑time source‑code execution and visual drag‑and‑drop building within a secure iframe environment.
HTMX offers a lightweight, HTML‑attribute‑driven approach that adds AJAX, WebSocket and server‑sent event interactivity without JavaScript, making it ideal for simple pages, while React provides a full‑featured, component‑based JavaScript library with a steep learning curve, extensive ecosystem, and superior scalability for complex, state‑driven applications.
Netlify’s new AI‑assisted deployment feature automatically analyzes build failures, offers diagnostic suggestions, and helps developers resolve issues faster, though its recommendations are best‑effort and may require manual verification.
Former LinkedIn senior engineer Chris Krycho reveals how organizational constraints, technical debt, and conflicting migration strategies made modernizing a 2‑million‑line front‑end codebase a multi‑year challenge, offering key insights for large‑scale software refactoring.
This article explains why rendering performance is crucial for React applications and provides a comprehensive guide on monitoring tools such as Profiler and Developer Tools, followed by practical optimization methods including component update control, data handling hooks, code‑splitting, lazy loading, and concurrent mode.
This guide introduces a curated collection of VS Code extensions—including themes, basic utilities, Vue and React tools, mini‑program support, code formatters, database helpers, and productivity plugins—helping developers streamline their frontend workflow and improve coding efficiency.
LangGraph, introduced in LangChain 0.1, addresses the limitations of simple Chains by adding loop capabilities and detailed control over Agent execution, enabling complex multi‑Agent, RAG, and self‑repair scenarios through a state‑graph architecture.
This article explores how TypeScript’s type inference works in the Zustand state‑management library, demonstrates practical examples such as automatic value inference, function return inference, generic‑based inference, and builds custom utilities like a pick method and a reusable useRequest hook, while also delving into middleware typing and advanced type‑level tricks.
This article details how the author recreated Xiaomi's calendar using React functional components, TypeScript typings, TailwindCSS styling, and the lunar‑typescript library, covering the tech stack, core date calculations, view rendering, touch‑based scrolling, and view mode switching with complete source code examples.
This article explains what React custom hooks are, how to define and use them, outlines design principles, discusses performance optimizations, and provides practical examples such as form validation and component communication, all aimed at improving code reuse and maintainability.
This tutorial demonstrates how to create a visually striking card component with light‑following and 3D parallax effects using React, Tailwind CSS, and custom hooks, covering setup of three boxes, mouse event handling, CSS transforms, and reusable hook encapsulation.
This article details a comprehensive approach to improving the performance and user experience of complex H5 game-like applications by using offline package splitting, native splash screens, global state management with zustand, data prefetching, image loading optimizations, transition animations, and ranking list enhancements.
This article explains why useEffect in React is an "escape hatch" between functional and imperative code, outlines common pitfalls, provides twelve concrete scenarios where useEffect should be avoided or replaced, and offers best‑practice alternatives such as inline calculations, useMemo, event handlers, state lifting, and custom hooks.
Discover the best CSS frameworks for 2024—including Bootstrap, Tailwind, Foundation, Bulma, and UIkit—detailing their key features, integration methods, and code examples, to help developers choose the right toolkit for rapid, responsive, and maintainable front‑end design.
This article explains React Hooks introduced in version 16.8, detailing the purpose and usage of common hooks such as useState, useEffect, useContext, useReducer, useRef, useCallback, and useMemo, and provides practical code examples for each.
shadcn/ui is a rapidly popular, copy‑and‑paste component collection that provides accessible, highly customizable Tailwind‑styled UI elements with a two‑layer architecture, theme editor, dark‑mode support, and CLI, offering simplicity and fine‑grained control while requiring manual integration and careful bundle‑size management.
This article explains how to use the Lottie library to replace hand‑written CSS/JS or GIF animations with vector‑based, cross‑platform switch animations, covering installation, configuration options, direction control, playback speed, JSON modification, and a helper function for updating values.
This article explains the micro‑frontend pattern, introduces the MicroApp framework, outlines when to adopt micro‑frontends, compares existing solutions, and provides a step‑by‑step guide for building a React‑based micro‑frontend base with code examples, cross‑origin handling, proxy configuration, and data communication.
React’s upcoming v19 release introduces four experimental hooks—use, useOptimistic, useFormState, and useFormStatus—focused on simplifying data fetching and form handling, allowing developers to read promises or context directly, perform optimistic UI updates, and manage form state and submission status within React components.
This tutorial walks through creating a desktop screen‑recording tool using Electron with a React‑Vite front‑end, Ant Design UI, IPC communication, system‑tray controls, draggable windows, and FFmpeg for capturing video in WebM, MP4, or GIF formats.
The article reviews five React component design patterns—Compound, Controlled, Custom Hooks, Props Getters, and State Reducer—explaining how each improves reusability, API simplicity, and state management while weighing their advantages, disadvantages, and ideal use‑cases for scalable, maintainable UI development.
This tutorial walks through creating a desktop screen‑recording tool using Electron with a React‑Vite front‑end, configuring resolution, frame rate, and output formats (webm, mp4, gif), implementing IPC communication, system‑tray controls, draggable windows, and FFmpeg‑based recording logic.
This article curates essential front‑end topics—including SSE real‑time push, component design, React state‑management comparison, performance‑panel analysis, file parsing methods, and the 2024 web‑front‑end trends—while also introducing the Cloud Classroom front‑end team’s mission and structure.
The 2023 frontend review highlights TypeScript’s size and speed gains, ECMAScript 2023 features, evolving frameworks like React, Vue, Svelte, Angular and emerging Qwik, while Rust tooling, Bun, browser changes, AI‑driven low‑code, and WASM progress set the stage for 2024’s LLM‑powered, Rust‑centric, cross‑platform development.
This article presents a comprehensive guide to front‑end performance optimization, covering metric selection (FCP, LCP, TTI, x‑fmp), data collection and reporting, dashboard creation, network‑ and application‑layer bottleneck analysis, and concrete code‑level improvements for faster page loads.
React’s core fiber system traverses a depth‑first tree using performUnitOfWork, splits rendering into beginWork and completeWork, then commits in before‑mutation, mutation, and layout phases, while hooks like useState and useEffect are implemented via linked‑list queues that ensure deterministic updates and side‑effect handling.
This article introduces five reusable React component design patterns—Compound Component, Controlled Component, Custom Hook, Props Getters, and State Reducer—explaining their implementations, pros and cons, and suitable scenarios to help developers balance flexibility, complexity, and control in UI development.
This article explains how Formily parses JSON Schema, builds a form tree, handles data binding, validation, and submission, and walks through the internal rendering flow—including createSchemaField, RecursionField, and ReactiveField—while providing practical examples and discussing complex linked‑field scenarios and performance considerations.
This guide introduces ProFlow, a React‑friendly UI library for creating modern graph visualizations and editors, covering installation, basic FlowView usage, data handling, interactivity callbacks, advanced FlowEditor features, custom nodes, and real‑world case examples.
This article reviews the most common conditional rendering approaches in React—including if‑else, ternary operators, logical AND, nullish coalescing, switch statements, strategy patterns, ErrorBoundary, higher‑order components, and render props—explaining their usage, advantages, code examples, and best‑practice cautions.
The article compares React's controlled and uncontrolled form patterns, explains how modern hook‑based techniques—such as useForm, Context, and react‑hook‑form—streamline state management, improve performance, and simplify validation, illustrated by the evolution from antd3’s HOC approach to antd4’s Context‑driven architecture.
This article walks through setting up and debugging a CORS‑handling proxy in a React 18 project with create‑react‑app, using http‑proxy‑middleware to forward /api requests, configure logging, and verify the real request paths.
This article explains the three key differences between using a custom React component as a JSX element versus calling it as a plain function, covering extra Fiber node creation, distinct execution timing, and how the diff algorithm treats the resulting nodes.
This article explores how AI agents, particularly those built with LangChain, can enhance Text2SQL performance by decomposing queries, leveraging tools, memory, and planning, and provides practical code examples and future directions for developers.
This article explains the concepts, use‑cases, and performance trade‑offs of controlled versus uncontrolled forms in React, demonstrates how Ant Design 3 and 4 implement form handling with HOC or Context + hooks, and introduces the lightweight, non‑controlled approach of react‑hook‑form with practical code examples.
This article examines the history, design motivations, and trade‑offs of modern frontend frameworks—covering Svelte’s new runes feature, the rise of component‑based architectures, template abstraction, cross‑platform compilation, and the differing philosophies of React, Vue, and Svelte—to explain why added complexity ultimately improves developer productivity and code maintainability.
This article explains how a single Form instance centrally manages form data, uses subscription and notification mechanisms to update components, and demonstrates the Observer and Singleton design patterns with concrete React code examples for building efficient, maintainable frontend forms.
Taro is a cross‑platform development framework that lets developers write a single codebase using React‑like syntax to compile mini‑programs, H5 pages, and mobile apps, handling API differences, UI component translation, and performance optimizations such as prerendering.
Homebox is an open‑source inventory and organization system for home users, built with React and Node.js, that can be quickly tried online or deployed locally via Docker Compose using a few simple commands and a GitHub repository.
This guide explains how to package a Laravel‑based PHP application into a standalone desktop app using NativePHP and Electron, covering installation, development workflow, adding native features like notifications, and creating production builds for Windows, macOS, and Linux.
This article explains how to create custom Ant Design select components that display additional information via integrated tables, covering form implementation, basic and advanced versions with infinite scrolling, handling Ant Design bugs, and documenting the components using Dumi, complete with code examples.
This article explains the overall architecture of Chrome extensions, how to create popup, DevTools, and content scripts using React or Vue, configure manifest.json, set up multi‑entry Webpack builds, debug each component, and perform end‑to‑end testing with Puppeteer and Xvfb for CI environments.
The article traces the historical evolution of front‑end frameworks—from static pages and jQuery to modern component‑based libraries like React, Vue, and Svelte—explaining why added complexity and compile‑time features such as Svelte’s runes improve maintainability, reactivity, and cross‑platform capabilities while weighing each framework’s design philosophy and trade‑offs for developers.
This article explains the origins of React Server Components, how Next.js v14 integrates RSC and App Router, the three release channels (Latest, Canary, Experimental), and provides step‑by‑step guidance for using RSC both inside and outside of Next.js with code examples and webpack configuration.
This article explains how DataWind’s frontend team replaced the outdated Dva‑based data flow with a new Redux‑plus‑hook solution called HookStore, detailing the pain points of complex initialization, legacy async syntax, tight module coupling, and showing migration steps, code examples, and benefits such as multi‑instance support and OpenAPI decoupling.
