This article explores how large language models can be leveraged to automate and accelerate frontend development tasks, covering prompt engineering, repo‑level code generation, quality factors, hallucination mitigation, knowledge‑base integration, and practical strategies for improving developer productivity.
This article explains the concept of code splitting in Next.js, describes how automatic page-level splitting and dynamic imports reduce initial bundle size, and provides practical code examples that demonstrate improved load times and better user experience for modern web applications.
This article explains how to create a Vue component that supports both dragging and resizing by rendering CSS edges and corners, handling mouse events to track movement, calculating new dimensions, enforcing minimum sizes, and providing a complete template, script, and style implementation.
This article explains how to use Alibaba's low‑code Magic Pen platform to visually add portal components, configure cloud resources such as VPC and RDS, and efficiently create and publish mobile and PC portal websites while avoiding the high cost and complexity of traditional development.
This article describes the design and implementation of an automated H5 performance testing platform that integrates UI automation, mitmproxy traffic capture, waterfall visualization, and Lighthouse scoring to continuously monitor, evaluate, and improve web page performance in mobile applications.
Discover twelve effective strategies—including BEM naming, CSS Modules, Shadow DOM, @scope rule, and dynamic style generation—to dramatically reduce CSS conflicts and achieve robust style isolation in complex front‑end projects, complete with code examples and visual illustrations.
This article explains cyclomatic complexity concepts, industry standards, calculation methods, and how a custom ESLint rule can be used to assess both single‑function and nested‑function complexity in front‑end projects, including scoring thresholds and practical implementation details.
This article details the complete redesign of the external product detail page, replacing the uni‑app SPA with a source‑build SSR solution, introducing a split‑first‑screen data strategy, multi‑environment support, risk‑controlled fallback mechanisms, and targeted refactors of request interceptors and tracking hooks, resulting in significant performance and business metric improvements.
The article describes the design and development of a low‑code form generation platform built on VueFormMaking, detailing its drag‑and‑drop interface, JSON‑driven component architecture, template configuration and rendering, as well as maintenance practices such as flat configurations, style optimization, testing, and deep‑copy handling for scalability and reliability.
This article explains how to create a responsive grid of fixed‑width cards using CSS Flexbox, discusses common alignment problems when the number of cards changes, and presents several solutions—including adjusting justify‑content, using nth‑child selectors, and wrapping the container in an overflow‑hidden parent—to achieve consistent layout across varying screen sizes.
The article provides an in‑depth technical overview of ShadCN UI, covering its rapid popularity, copy‑paste component model, separation of design and implementation, variant management, class‑name merging utilities, and the CLI built with commander, zod, prompts and registry handling, illustrating why it has become a leading frontend component library.
This article reviews seven leading front‑end open‑source projects for 2025—Vite, Bun, React 19, Next.js 15, Solid.js, Tailwind CSS, and Astro—highlighting their key features, integration capabilities, and ideal use‑cases for modern web development.
This guide outlines comprehensive JavaScript coding standards—including naming conventions, strict mode, variable declarations, indentation, semicolons, string usage, spacing, comments, module imports, conditional expressions, async handling, destructuring, error handling, function design, and performance tips—to improve readability, consistency, and maintainability across teams.
This newsletter curates five insightful frontend articles covering 2024 front‑end trends, AI‑assisted code generation at Qunar, the history and current solutions of cross‑platform development, AI‑driven full‑stack improvements at Taobao, and the release of Electron 34.0.0 with upgraded Chromium, V8, and Node.
This article explains how to enable Vue Devtools on production sites by injecting a script via the browser console, demonstrates the process with an Element‑UI example, and provides Vue 3 adaptation code for debugging live Vue applications.
This article explains several advanced Vue 3 reactivity APIs—including shallowRef, triggerRef, customRef, shallowReactive, toRaw, markRaw, and shallowReadonly—detailing their differences from standard refs, performance benefits, usage patterns, and providing complete TypeScript code examples for each.
This article outlines eight frequent JavaScript traps—from type coercion and variable hoisting to this binding, closures, numeric precision, array method quirks, Promise misuse, and event‑listener memory leaks—explaining why they occur and how to resolve them.
This article presents a comprehensive guide to frontend development best practices, covering commit message standards, dependency management, import ordering, naming conventions, lint configuration, CSS property ordering, inline styles, code duplication, magic numbers, pure functions, and component structuring, with concrete examples and recommendations for improving code quality and maintainability.
This guide outlines a step‑by‑step roadmap for aspiring front‑end developers, covering essential fundamentals, workspace setup, HTML/CSS, JavaScript, version control, React and bonus skills, with realistic timelines to help you reach a professional level by 2025.
In the AI era, Qunar's front‑end tech director presents how D2C and large‑model‑based code generation dramatically improve front‑end productivity across three business scenarios, achieving up to 55% automated code coverage for both C‑end and B‑end applications.
This article explains Vue 3's reactive data system, detailing how ref and reactive create responsive state for primitive values and objects, demonstrates code examples, compares their return types and usage, and offers guidance on choosing the appropriate API for different scenarios.
This article compares three real‑time data update methods—short and long polling, WebSocket, and Server‑Sent Events—explaining their principles, advantages, drawbacks, and providing practical code examples so developers can choose the most suitable solution for their web applications.
This article explains the Vue.js nextTick API, why scrolling to newly added list items may stop prematurely, demonstrates proper usage with scrollIntoView, and provides a hand‑written implementation using MutationObserver to ensure DOM updates complete before executing callbacks.
This article explains the purpose of React's useEffect hook, details how dependency arrays control its execution timing, demonstrates cleanup functions, and provides practical code examples for handling side effects such as data fetching, timers, and event listeners.
This article compares Rive and Lottie across seven criteria—timeliness, interactivity, performance, file size, learning curve, suitable scenarios, and cross‑platform support—to help designers and developers choose the best animation solution for their projects.
Amid rapid AI-driven tooling, the article examines how front‑end development is undergoing a three‑stage evolution—from large‑scale paradigm shifts and AI‑assisted scaffolding, through emerging tech stacks, to new career paths that blend AI tool mastery with traditional front‑end expertise, urging developers to adopt a growth mindset.
This guide shows how to dramatically reduce Docker build times for frontend applications by pre‑installing node dependencies in a custom cache image, cutting the build from over 14 minutes to just over a minute while keeping the final image size unchanged.
This article explains how to make an Element UI el-select component automatically expand its width to fit long option labels by leveraging the prefix slot, adjusting CSS positioning, and adding minimum width handling, providing complete Vue template, script, and style code examples.
Discover eight practical strategies—including passive listeners, event delegation, scroll-through prevention, requestAnimationFrame, throttling, hardware acceleration, click-delay elimination, custom gestures, and IntersectionObserver—that dramatically boost mobile touch event responsiveness and deliver silky-smooth user experiences across web applications.
This article explains how to create scroll‑driven CSS animations using the new animation‑timeline property and the view() function, showing step‑by‑step code examples, how to control start and end points, and how the both fill‑mode ensures smooth transitions without any JavaScript.
This article explores seven common scenarios where JavaScript arrow functions elegantly resolve the notorious ‘this’ binding issues—ranging from object methods and event callbacks to constructors, prototype methods, array callbacks, timers, and dynamic contexts—helping developers write cleaner, more maintainable code.
This article explains how VueUse's createGlobalState leverages Vue's effectScope to provide global state sharing across components, compares it with a straightforward closure approach, and discusses the practical implications of using effectScope for dependency collection and cleanup in frontend development.
This guide explains what JavaScript memory leaks are, illustrates typical front‑end leak scenarios such as forgotten timers, detached DOM references, improper closures, global variables, open WebSockets, misuse of Map/Set, and console logs, and provides practical solutions to prevent and resolve each issue.
This article demystifies JavaScript’s notoriously tricky ‘this’ keyword by explaining its four binding rules—default, implicit, explicit, and new—showing practical code examples, illustrating how arrow functions inherit lexical this, and offering best‑practice tips to avoid common pitfalls in modern front‑end development.
This article details a practical implementation of the Wujie micro‑frontend framework across three Vue‑based management systems, covering preparation of the host app, login state handling, layout selection, event bus integration, network request management, UI adjustments, and shared state synchronization, with code snippets and lessons learned.
An H5 application suffered endless refresh loops due to a massive 4505 × 60615 px image, prompting a deep dive into browser rendering stages, performance profiling, and cross‑browser behavior, followed by practical solutions such as image size validation, server‑side checks, OSS processing, and chunked lazy‑loading techniques.
This article explores the major front‑end trends shaping 2025, including Angular Signals, RxJS enhancements, standalone components, new React server‑side features, Vue performance upgrades, next‑gen build tools like Vite 6 and Bun, and the growing impact of AI on developer workflows.
This article explains how a motion‑effects platform decouples design and development by automatically converting sequence‑frame animations into multiple formats (APNG, WEBP, AVIF, video), provides a runtime that dynamically selects the optimal format, and offers batch conversion APIs to improve performance and reduce engineering overhead.
This article presents a comprehensive multi‑CDN disaster‑recovery solution for frontend static resources, detailing the background, current issues, goals, SDK‑based architecture, monitoring and retry strategies, data‑reporting mechanisms, evaluation results, and future dynamic scheduling improvements.
This article outlines twelve common mobile web challenges—from 1px borders and 300 ms click delays to safe‑area handling and image loading optimization—providing concise CSS and JavaScript solutions to improve responsiveness, usability, and performance across diverse devices.
This article explains what constitutes a large file, contrasts its upload challenges with ordinary files, and provides a complete chunked upload solution—including frontend slicing code, backend merging logic, breakpoint resume, instant transfer, progress handling, and references to mature libraries.
This guide outlines essential mobile‑frontend strategies—including viewport configuration, rem‑based flexible layouts, media queries, 1 px border fixes, safe‑area handling, responsive images, landscape support, and soft‑keyboard adjustments—providing complete code snippets to ensure seamless adaptation across diverse devices.
This article explains the requestAnimationFrame API, demonstrates basic and recursive usage with code samples, compares it to setTimeout/setInterval, shows how to cancel frames, and presents real‑world front‑end scenarios such as smooth animations and scroll‑loading optimizations.
The article reviews five major ES2024 (ES15) JavaScript enhancements—including native groupBy, Promise.withResolvers, adjustable Buffer, Atomics.waitAsync, and a new regex v flag—explaining their usage, benefits, and code examples for modern web development.
This article explains how to truncate overly long title text by showing the start and end with an ellipsis in the middle, using JavaScript to measure element widths, calculate cut‑off indices, and dynamically construct the shortened string, while also covering CSS‑only alternatives.
A security advisory warns that malicious mining code was injected into certain Vant component versions, targeting users from specific regions, and urges developers to verify their Vant version and upgrade immediately to the safe release v4.9.15.
This article presents eight practical CSS techniques—including variables, :is/:where selectors, aspect‑ratio, clamp(), gap, logical properties, :has(), and @layer—to help developers write concise, maintainable, and conflict‑free styles for modern web projects.
This article details Ctrip's approach to creating a scalable enterprise design system that supports multiple brands and platforms through modular design, theme configuration, cross‑platform component libraries, and automated workflows, ultimately improving design efficiency, consistency, and development productivity.
This article explores the design and implementation of the Crab rendering engine, a WebGL‑based solution that combines high expressiveness, interactivity, and cross‑device compatibility to deliver game‑like animations for large‑scale activities, detailing its architecture, rendering pipeline, practical applications, and performance optimizations.
This article explains how JavaScript's optional chaining (?.) and nullish coalescing (??) operators simplify safe access to nested object properties and provide reliable default values, replacing older verbose patterns with concise, readable code.
This guide explains what WeChat Mini Program subscription messages are, outlines common use cases, and provides a step‑by‑step implementation process—including template creation, backend push configuration, frontend subscription requests, and server‑side message sending with code examples.
This article walks through the practical steps for migrating a Vue2 project to Vue3, covering script‑setup syntax, composition‑API patterns, removal of mixins and global variables, file‑naming conventions, and reusable composable functions to achieve a cleaner, more maintainable codebase.
This article explains the fundamentals and execution order of JavaScript's setTimeout and setInterval functions, discusses their parameters and return values, demonstrates why setTimeout is asynchronous, shows how to cancel timers, and provides a custom recursive setTimeout solution that mimics setInterval behavior.
This article explains React's rendering pipeline—including initial and update renders—identifies the factors that cause component re‑rendering, and demonstrates how to use React.memo, useMemo, and useCallback to eliminate unnecessary renders and improve performance.
This article presents a comprehensive analysis of page performance issues across Kuaishou's commercial front‑end projects, outlines the challenges of unified governance, B‑end experience measurement, and C‑end web‑native integration, and details the systematic optimization strategies and measurable results that significantly improved user experience and business metrics.
The article traces CSS’s evolution from its 1994 CHSS proposal and 1996 debut to the 2024 community‑driven redesign of its official logo, explaining the design process, the choice of the rebeccapurple colour, and where the new assets are hosted.
This tutorial explains how to use Vue 3 to render a ranking list, add a unique data-key to each user item, and implement a click handler that smoothly scrolls the selected user into view with Element.scrollIntoView while optionally highlighting the element for two seconds.
The article explains why legacy JavaScript libraries like jQuery, Moment.js, Lodash, Underscore.js and RequireJS are becoming obsolete, outlines the performance and maintenance drawbacks of keeping them, and recommends modern native APIs or lightweight alternatives to keep front‑end stacks fast and up‑to‑date by 2025.
This article reviews frontend HTTP request libraries—XMLHttpRequest, Fetch API, Axios, and Guming’s internal Request—detailing their usage, advantages, drawbacks, core features, request flow, and comparison to help developers choose the most suitable library for their projects.
This article explores the latest front‑end development trends—from emerging frameworks like Svelte and Solid, to AI‑powered interfaces, no‑code/low‑code platforms, progressive web apps, Web3/blockchain, micro‑frontend architecture, and immersive VR/AR—highlighting their impact on developers and businesses.
During the Double‑11 promotion, our team applied a series of Taro mini‑program performance optimizations—including Skyline rendering engine migration, lazy loading of feed resources, image size reduction, and parallel API requests—to significantly reduce cold‑start, hot‑start, and rendering times, improving overall user experience.
This guide walks you through installing the SuperAdminx admin platform, covering backend setup with Webman and ThinkORM, frontend preparation using React and Ant Design, database configuration, and accessing the running application with example commands and screenshots.
This article explains how to override the native localStorage and sessionStorage APIs in JavaScript, providing a flexible proxy layer that supports business‑specific logic, global monitoring, data protection, encryption, and configurable hooks, with practical Vue 3 integration examples.
This article documents several practical problems encountered when using the Wujie micro‑frontend framework—such as editor selection failures, PDF preview white screens, missing Element‑Plus styles, tooltip offsets, custom event loss, and global style pollution—and provides concrete reproduction steps and detailed solutions for each.
This article details how KuJiaLe's front‑end publishing platform was redesigned to solve chaotic environments, low‑efficiency releases, and poor quality by introducing standardized workflows, modular management, automated quality checkpoints, and future automation plans, resulting in dramatically higher on‑time delivery and stability.
This curated newsletter highlights the latest releases like Vite 6 and React Router 7, shares in‑depth articles on frontend error monitoring, AI agents, HarmonyOS, Taro Toast implementation, design consistency, and a migration case from Electron to Tauri, plus additional front‑end recommendations.
The latest update introduces resolve.conditions default values, enhanced JSON serialization, expanded HTML resource reference support, postcss‑load‑config integration, Sass’s modern API default, customizable CSS output filenames in library mode, and several other minor tweaks affecting a small user base.
The article outlines client‑cache and client‑snapshot techniques alongside an edge‑node ER‑cache that stores the first HTML chunk, explains a three‑layer routing model, and describes a head‑cache strategy with dynamic resource exclusion, skeleton UI snapshots, configurable switches, and per‑page cache durations to boost performance while preserving content freshness for membership pages.
This article explains how to convert HTML content—including text, images, and tables—into PDF files using html2canvas and jsPDF, and details a dynamic pagination technique to prevent content truncation across pages, while also covering performance and export considerations.
This article explains why long tasks over 50 ms cause UI lag, introduces the RAIL performance model, outlines how to identify long tasks using Chrome DevTools and the Long Tasks API, and provides practical front‑end optimization techniques such as task splitting, code splitting, and asynchronous scheduling.
This guide explains two primary techniques—using the Navigation component and the router object—to pass parameters between pages in HarmonyOS NEXT, providing step‑by‑step code examples, practical scenarios, and tips for choosing the appropriate method.
This guide compiles a curated list of free online tools and open‑source libraries for creating and sourcing logos, icons, and illustrations, offering quick customization options and direct download links to help developers enhance the visual assets of their web and mobile projects.
This article presents a comprehensive guide to building a digital agriculture visualization dashboard using AMap JSAPI, three.js, GIS tools, and Vue, covering requirement analysis, layer design, data processing, 3D model integration, animation, and interactive features for smart farming applications.
This article recounts a production incident caused by misusing JavaScript's split() on an empty string, then explains the method's syntax, basic usage, and common pitfalls such as empty strings, extra separators, and Unicode handling, offering practical solutions for each case.
A 2024 analysis by Nikita Prokopov of uncompressed JavaScript file sizes across a range of popular websites shows sizes varying from a tiny 0.1 MB for jQuery to over 12 MB for heavyweight platforms like YouTube and Booking.com, highlighting the diversity of front‑end payloads.
Vue’s reusable logic pattern, called Composables, are functions built with the Composition API that encapsulate reactive state via ref and lifecycle hooks, follow a use‑prefix naming convention, and let developers like the mouse‑tracker example share stateful behavior across components cleanly.
This article explains how Taro leverages C‑API to move runtime logic to C++ and builds a cross‑language event system that unifies ArkTS, JavaScript and C++ on Harmony OS, improving rendering performance, lifecycle management, and developer productivity.
This article explains how to avoid UI freezes when rendering massive data sets in the browser by using time‑slicing techniques such as setTimeout or requestAnimationFrame together with document fragments, and by implementing a virtual list component in Vue to render only the visible portion of the data.
This article examines the challenges of unstable and inconsistent basic-function triggers in the Kujiale 3D design platform, analyzes root causes such as module isolation, compatibility gaps, and high coupling, and proposes a systematic, entropy-aware interaction architecture with layered trigger logic, progressive optimization strategies, and flexible user-centric configurations to improve stability, extensibility, and user adoption.
This article explains how Promise.try provides a cleaner, more consistent way to handle both synchronous and asynchronous errors in JavaScript, eliminating the need for repetitive try‑catch blocks and improving code readability.
This article explains how to build a front‑end electronic signature feature that merges a signature canvas with an HTML‑rendered document into a single preview image using SignaturePad, html2canvas, and merge-images, including code snippets and scaling adjustments.
Since September 15, 2023, WeChat Mini Programs enable privacy features by default, requiring developers to configure a privacy agreement, select required user data types, handle authorization dialogs, and follow specific code patterns to avoid audit failures and ensure API access.
This course, designed for developers with basic front‑end experience, teaches how to combine the uniapp framework and ThinkPHP backend to build high‑performance, cross‑platform mobile applications, covering topics such as data modeling, token authentication, middleware, API design, pagination, and deployment.
Discover the 11 most popular open‑source projects that freelance developers rely on—from fast front‑end build tools like Vite and Tailwind CSS to back‑end frameworks such as Express, ORM Sequelize, real‑time Socket.IO, testing with Jest, code quality with ESLint and Prettier, and containerization with Docker—each with concise usage examples.
This tutorial explains how to convert TTF/WOFF font files into Three.js‑compatible JSON using a ttf_to_json tool, load the resulting font with FontLoader, generate shapes (including holes), center the geometry, adjust the camera, and add dynamic text input for interactive 3D rendering.
This article explains why many admin frameworks ignore 403 pages, compares common handling strategies, and presents a practical solution that replaces the component of unauthorized routes with a dedicated 403 component while preserving the original URL, complete with code examples and visual demos.
This article explains how to implement video rotation, fullscreen handling, and proportional scaling in a React application using the Vime library and CSS transforms, covering container setup, control customization, and code examples for a seamless user experience.
This article explains the differences between the default, async, and defer script attributes in HTML, showing how each affects script loading and HTML parsing, with detailed code examples, execution order diagrams, and practical recommendations for choosing the right attribute.
This article presents a complete frontend solution for large file chunked uploading, covering requirement analysis, slice implementation, hash calculation with Web Workers, MerkleTree-based file identification, a PromisePool for concurrent uploads, real‑time progress tracking, and performance optimizations with detailed code examples.
This article introduces front‑end design patterns, explains the three main categories—creational, structural, and behavioral—lists ten common JavaScript patterns, and provides clear explanations and runnable code examples for each pattern to improve code readability, maintainability, and scalability.
This article explains how to create a complete map drill‑down feature in ECharts, covering data preparation, chart initialization, event handling, dynamic rendering, navigation controls, custom tooltips, and best‑practice tips for interactive geographic visualizations.
This article explores the importance of motion design in product interfaces, detailing its benefits such as reduced learning cost, brand differentiation, user conversion, and engagement, while providing practical guidance on tools, optimal animation durations, physical motion principles, output formats like GIF and Lottie, and effective handoff documentation for developers.
This article examines how thoughtful interaction patterns—such as numeric keyboards, task prompt cards, floating layer cards, and visual data components—can streamline complex B2B workflows, reduce user learning costs, and create a smoother, more satisfying experience for both new and seasoned users.
This article provides a detailed comparison of major rich‑text editors—including TinyMCE, CKEditor, Tiptap, Quill, wangEditor, Jodit, Editor.js, Slate, medium‑editor, Squire, UEditor, and Summernote—covering their features, advantages, disadvantages, and suitability for various development scenarios.
Alova.JS is a lightweight HTTP request library that supports multiple adapters, cross‑framework usage, and TypeScript, offering a smaller bundle size (≈30% of axios), a concise API, and high‑performance request strategies, making it a compelling replacement for axios in modern web projects.
This article provides a comprehensive tutorial on configuring front‑end resource bundling, adjusting server settings, building and uploading SpringBoot back‑end modules, creating deployment scripts, managing environment‑specific properties, and implementing a Baidu Tieba hot‑search crawler, enabling a complete end‑to‑end cloud deployment.
The article explains why declaring business data structures with TypeScript's interface or type is discouraged, illustrates practical problems such as property name changes and type mismatches, and advocates using classes to gain decorator support, combined behavior and data, and better extensibility.
This article explains why using :key="index" in Vue v-for loops is problematic, describes the virtual DOM compilation process, demonstrates the diff algorithm with examples, and provides best practices for key usage to improve rendering performance.
The article examines how arkTS, HarmonyOS's TypeScript‑based language, forces front‑end developers to adopt stricter class‑based patterns, disallows any/unknown, and removes familiar JavaScript features like spread and destructuring, making the transition noticeably harder.
This article explains how to detect frontend deployment changes and prompt users to refresh by generating a git‑hash JSON file with git‑revision‑webpack‑plugin, creating Vue mixins for version checking, and comparing hashed filenames in the built index.html, covering three practical solutions with their pros and cons.
