Markdeep is an open‑source JavaScript plugin that transforms plain‑text files into fully rendered Markdown documents—including tables, LaTeX math, and charts—without installing extensions, and can be used by simply adding a single line to any text editor, making offline, browser‑based publishing effortless.
This guide explores how B2B H5 designers can apply storytelling, interactive cues, brand color strategies, and concise copy to create emotionally resonant experiences that boost engagement and share rates, illustrating each step with concrete scenario examples and visual illustrations.
This report details the development, requirements, core JavaScript implementation, probability testing, and functional verification of the 2022 annual meeting lottery tool, demonstrating that the random selection algorithm yields fair and statistically expected results for all prize tiers.
This guide introduces Uber's open‑source Kepler.gl library for geospatial visualization in Jupyter notebooks, covering installation via pip, a simple map example, adding CSV or DataFrame data, customizing through the UI, retrieving configurations, and exporting the map to an HTML file.
This article explains why front‑end and back‑end separation is essential, describes the SPA‑based architecture, outlines practical steps for responsibility division, development workflow, and implementation, and provides a detailed V1.0.0 API specification with request and response formats.
This article explores HTTP cookies in depth, covering their definition, attributes, security settings, tracking mechanisms, third‑party usage, front‑end management practices, emerging standards like SameSite and SameParty, and future trends such as Chrome’s privacy sandbox and the Cookie Store API.
The article highlights Huawei’s recruitment of a young ICPC champion, discusses corporate policies at Tencent and Panasonic, and introduces Chrome 97’s new WebTransport API for secure, low‑latency web communication.
At SEE Conf 2022, Ant Group’s frontend lead Yun Qian detailed Umi’s evolution, covering its compilation-time architecture, dependency pre‑bundling, multi‑build engine, performance optimizations like MFSU, and the balance between community openness and internal constraints, offering practical lessons for modern frontend development.
The article reviews recent front‑end evolution, highlights emerging low‑code platforms and multi‑state view solutions for developers, and analyzes the 2021 Node.js developer report, emphasizing shifts toward standardization, performance, serverless adoption, and the growing importance of multidisciplinary integration in web development.
Today's roundup introduces IceJS's new Electron scaffold, warns about malicious code in faker.js and colors.js, showcases the upcoming Vue.js documentation, highlights the Haunted web‑components library, compares Turborepo with Nx, presents Microsoft’s lage task runner, and explains TypeScript covariance and contravariance concepts.
This guide introduces unit testing for frontend projects, explains its benefits, compares popular frameworks like Jest, Mocha, and Karma, and provides step‑by‑step instructions for installing and configuring Jest with Vue Test Utils, including code examples and best‑practice tips.
This article examines the challenges of complex interactions and logic in mid‑backend front‑end projects, explains why traditional if‑else code becomes unmanageable, and presents low‑code dynamic annotation and decision‑orchestration techniques that streamline development, improve usability, and reduce maintenance overhead.
This article introduces the open‑source low‑code front‑end framework Amis, explains its JSON‑based page generation, highlights its low entry barrier, rich built‑in components, flexibility, and real‑world usage, and provides practical code examples to help developers get started quickly.
Chrome 97 adds the controversial Keyboard MAP API, enabling web apps to detect users’ keyboard layouts for better input handling, but raising privacy concerns as Apple, Mozilla and Brave criticize its potential for tracking, while Google cites improved user experience.
This article explains the CSS display:table-cell property, its behavior similar to HTML table cells, how it enables vertical centering, its interaction with margin, padding, float and absolute positioning, and demonstrates multiple practical layouts—including centered text, multi‑column designs, equal‑height sections, and responsive two‑column structures, with code examples.
This article educates front‑end engineers about common web security threats such as XSS, CSRF, directory exposure, SQL injection, command injection, DDoS, and hijacking, and provides practical mitigation techniques and best‑practice principles to build more secure web applications.
Chrome 97, released on January 4, 2022, introduces 14 new features—including the groundbreaking WebTransport protocol powered by QUIC for low‑latency bidirectional communication, updates to DevTools such as the Recorder for user‑flow testing, and a suite of enhancements that signal a rapid evolution of web technologies.
This tutorial walks through designing and implementing a low‑code workflow editor using React Flow Renderer, defining TypeScript data models, handling layout with Dagre, creating custom nodes and edges, enabling drag‑and‑drop node addition, deletion, configuration, and discussing common rendering challenges.
Learn how to quickly create a QR code for any webpage using Chrome's built‑in right‑click option, including version checks and flag settings for older browsers, so you can copy the image instantly without third‑party tools.
The AiFanFan Communication system was refactored by applying domain‑driven design and micro‑services, replacing an outdated Windows C++ client and excessive middleware with a five‑layer architecture, streamlined protocols, and a cross‑platform Electron‑Vue UI, resulting in clearer modules, higher stability, reduced team size, and faster feature delivery.
This article explains how to integrate Flutter widgets into the Kraken web rendering engine as custom elements, detailing the architecture, rendering pipelines, code examples, and advanced scenarios such as waterfall‑flow optimization to achieve dynamic, high‑performance, and easily extensible front‑end applications.
This article explains why and how to separate front‑end and back‑end responsibilities, introduces the SPA‑based architecture, outlines development processes, and provides a detailed API specification (including request/response formats, pagination, and special field rules) to improve collaboration and reduce integration effort.
The article explains why a clean code structure is essential, defines the characteristics of a good architecture, describes the roles of Model, Util, Service, DAO, and Controller components, and discusses how these concepts apply to Web, Android, and iOS development for junior engineers.
This article details the complete design and implementation process of a mobile signature component using HTML5 Canvas, covering requirements, architecture, event handling for touch and mouse, landscape mode handling, drawing optimization, and file export techniques for both base64 and File formats.
This article presents a curated collection of 2022 New Year web animation effects—including countdown timers, fireworks, CSS text animations, and dynamic greetings—each with a brief description, preview image, and direct download link for the JavaScript or CSS code.
A curious case where entering the wrong Vue documentation URL (https://cn.vuejs.org) redirects to an adult site, prompting a technical investigation that reveals 301 redirects, hidden JavaScript, random target selection, and broader security implications for web developers.
Writing robust front‑end code involves systematic exception handling, thorough input validation, disciplined code‑style practices such as default cases and optional chaining, careful selection of mature third‑party libraries, and proactive robustness testing like monkey testing to ensure the UI remains functional under unexpected conditions.
This article walks through the origin, architecture, and tooling of Shopee Candy, a multi‑region match‑3 H5 game, detailing the Algorithm SDK, animation system, map editor, score runner, replayer, and future plans for configurability, performance, anti‑cheat, and AI‑driven level design.
This article explains why Web Components are gaining traction, outlines their technical and performance advantages over frameworks like React, and highlights the business and security benefits of adopting native, framework‑agnostic components for modern web development.
This article explains the Cube mini‑program rendering stack, its modular architecture, thread model, advanced Flow Layout and Inline Text support, CSS stylesheet capabilities, QuickJS integration, multi‑mode packaging and performance benchmarks, showing how it achieves fast startup, low memory usage and near‑native experience on low‑end devices.
This article lists twelve popular open‑source Vue admin dashboard projects, providing each project's GitHub or Gitee repository link, documentation URL, live demo preview, and a screenshot, offering developers a quick reference for selecting a suitable admin UI framework.
DeWu Platform’s front‑end performance monitoring combines SDK‑collected metrics such as FCP, TTS, TSP, resource sizes and device info with Alibaba Cloud Log Service storage, a Python/Django backend that deduplicates, aggregates and visualizes data in MySQL‑backed dashboards, employing intermittent sampling, fingerprinting, and future plans for frame‑rate and user‑centric metrics.
An in‑depth walkthrough of React’s Fiber architecture reveals how time‑slicing and a linked‑list Fiber tree replace the stack‑based reconciler of React 15, delivering smoother UI updates, priority‑based task scheduling, and interruptible rendering, complete with code examples, performance comparisons, and the underlying event‑loop mechanics.
Learn how to achieve real‑time data synchronization between separate front‑end applications by leveraging WebSocket and Socket.io, covering the protocol basics, connection setup, event handling, server implementation, alternative communication methods, and practical code examples for both client and server sides.
This article introduces five fun Christmas-themed mini games—including a jQuery lottery page, a cliff‑crossing Santa game, a canvas gift‑catching game, an HTML5 red‑packet game, and a mobile jQuery red‑packet game—each with a brief description and downloadable source code links.
DripForm is an open‑source React form component from JD Retail iPaaS that offers configurable rendering, validation, and visual editing, enabling developers to efficiently build complex, dynamic forms with unified front‑end/back‑end validation, extensibility, and low‑code visual generation.
This case study details how JD.com’s 11.11 mobile commerce event combined commercial‑driven visual concepts, interactive micro‑games, and front‑end performance optimizations to achieve over 200% growth in dwell time, 330% higher click‑through rates, and a 106% increase in order value.
The article explains the importance of responsive web design for mobile users, outlines various mobile web testing approaches—including Chrome DevTools, simulators, real devices, and cloud‑based automation—and highlights how these strategies ensure consistent, high‑quality user experiences across diverse devices and network conditions.
Ant Group’s Cloud Phoenix platform demonstrates a Bundleless asset loading strategy that combines ES Modules, NPM imports, and fine‑grained tree‑shaking to deliver low‑code, on‑demand component delivery, addressing performance bottlenecks and redundancy in enterprise middle‑office applications while paving the way for future ES Module‑centric development.
This case study details JD.com's 11.11 home‑appliance campaign, covering project background, brand goals, consumer‑centric design thinking, visual creativity with interactive scenes, front‑end performance optimizations, AB‑testing results, and insights on turning design into measurable commercial value.
This article introduces think-swagger-ui-vuele, a custom Swagger UI built on think‑vuele that simplifies API documentation by parsing Swagger JSON, offers fast loading for large APIs, supports mock data, customizable request headers, and provides both npm and Maven integration with usage instructions and code examples.
This article explains how to implement real‑time atmosphere bubbles in live‑streaming pages, compares Swiper and react‑transition‑group for animation, provides detailed code examples for Swiper, Transition, CSSTransition, SwitchTransition, and shows a complete React solution using a queue‑based component.
This article explains the shortcomings of static front‑end permission schemes in modern SPA architectures and presents a comprehensive, database‑driven user‑role‑page‑function‑API model that enables dynamic, fine‑grained access control for both frontend menus and backend endpoints.
This article presents a curated list of twelve open-source admin dashboard projects, providing their GitHub repositories, documentation links, live demo URLs, and licensing information, helping developers quickly evaluate and adopt suitable front-end solutions for modern web applications.
This article explains the concept of event tracking (埋点), its importance for capturing user behavior, outlines the four‑module architecture of a tracking system, compares code‑based, visual and full tracking methods, describes data models, storage, management, and presents a practical case study with analysis techniques.
This article explores the flexbox align-content property, explaining its effect on multi‑line flex containers, the required layout direction, and how to achieve expected results with practical code examples and visual demos for both row and column orientations.
This article explores how visual interaction influences user experience and outlines strategies—such as design specifications, component libraries, design tokens, and D2C workflows—to improve consistency and efficiency in frontend development across product iterations.
This article introduces Drip-Table, a low-code front‑end framework from JD Retail that visualizes web list creation, outlines its architecture, core capabilities, JSON Schema definition, real‑world case study, and future roadmap, highlighting how it cuts development effort by up to 75% while supporting complex list requirements.
Using Jimp, the author scans a designer‑supplied point‑map image—where each 1 px marker’s color encodes a board square type—to automatically extract (x, y) coordinates, merge adjacent pixels via region‑growing for visibility, output a JSON layout, and drive front‑end placement of Monopoly‑style tiles.
This article demonstrates how to centralize route, menu, permission, and breadcrumb definitions in a React and Ant Design based admin application by using nested configuration objects, flattening utilities, and dynamic lookup functions to reduce duplication and simplify maintenance.
This article explains a dynamic permission management solution for modern frontend‑backend separated applications, detailing user‑role‑page‑function relationships, database schema design, menu rendering, fine‑grained function controls, and backend API authorization to handle flexible, real‑time access rights.
This tutorial walks through a custom CSS reset, explaining each of the eleven concise rules—including box‑sizing, margin removal, height handling, line‑height, font smoothing, media defaults, form inheritance, overflow handling, and root isolation—while providing clear code examples and visual illustrations to improve both developer experience and user accessibility.
This guide explains how to install and configure the ThinkPHP captcha extension using a cache driver instead of sessions, modify the Captcha class, and integrate a Vue‑Element‑Admin login page that includes username, password, and captcha fields with corresponding backend validation and token handling.
This article walks through building a Vue 3‑style reactivity system from scratch, covering effect functions, dependency collection with Set/Map/WeakMap, automatic tracking via Proxy, and the implementation of reactive and ref utilities, all illustrated with complete JavaScript code examples.
Learn four practical CSS approaches—Grid, Flexbox, margin:auto, and absolute positioning with transform—to reliably center a DIV element both horizontally and vertically, complete with code examples and visual results for quick implementation.
Markdeep is an open‑source JavaScript plugin that turns any plain‑text file into a fully rendered Markdown document with support for tables, LaTeX equations, charts and even PPT‑style slides, requiring only a single markup line and no additional installations.
During IdleFish’s 2023 Double 11 promotion, engineers tackled massive traffic spikes by running feature‑flag, launch‑side, and mitmproxy‑based disaster‑recovery rehearsals, boosted performance with increased first‑screen modules, CSS‑only animations, pre‑fetching and offline caching, introduced a PHA container for seamless tab switching, and optimized deep‑link handling for external channels, while planning further SSR and stability automation.
This article explains how to implement a flexible, database‑driven permission system that manages users, roles, pages, functions, and API access in modern front‑end/back‑end separated applications, ensuring secure and dynamic access control across the entire stack.
This article introduces the importance of frontend unit testing, presents survey data on current practices, compares popular frameworks like Jest and Mocha, provides step‑by‑step setup instructions, demonstrates code examples for JavaScript, TypeScript and async functions, and explains how to generate coverage reports and use common assertions.
This tutorial series teaches how to build a complete responsive corporate website from the ground up using CSS Grid, covering navigation, carousel, about us, case studies, service flow, team, data, news, and footer sections with smooth transitions and animations.
EasyDoc is a configurable, low‑effort project documentation system that reduces onboarding difficulty, bridges information gaps between team members, and shifts documentation responsibilities from developers to dedicated tools, offering guided tutorials, editable nodes, operation manuals, and user guides for complex web applications.
This article explores how Youku’s front‑end team evolved its technology stack—from traditional web pages to Node.js server‑side rendering, low‑code marketing tools, and advanced rendering techniques—to support large‑scale marketing activities across web, mobile, OTT, and mini‑programs.
This article presents practical techniques for optimizing image resources in e‑commerce front‑end projects, covering lazy loading of ordinary images, progressive and skeleton loading for high‑fidelity assets, and server‑side splitting of long graphics using Node.js, with detailed code examples and performance considerations.
This article introduces relationship graph visualization, compares common front‑end chart libraries such as ECharts, D3, and G6, explains why D3 and G6 were chosen for a real‑world case, and discusses performance‑related optimizations and layout improvements for large‑scale graph data.
This article explains the concept of Native‑ESM, traces the evolution of JavaScript module systems from IIFE to ES Modules, and shows how Vite leverages native ES modules, ESBuild, and caching to achieve dramatically faster cold starts and hot updates compared to traditional bundlers like Webpack.
This article introduces the lightweight Python visualization library cutecharts, explains its installation, and provides step‑by‑step code examples for creating line, bar, pie, radar, scatter charts and combined page charts, demonstrating how to customize options such as labels, legends, colors, and inner radius.
This article introduces three essential GitHub browser extensions—a translation tool, a file‑tree navigator, and an online code viewer—that simplify navigation, overcome language barriers, and enable instant access to repository files, greatly improving developer productivity.
This article explains why and how to implement intermediate redirect pages in front‑end projects, covering common scenarios, practical code examples, standardization tips, and security considerations to streamline multi‑team collaborations and cross‑domain navigation.
This article explains the concept of frontend‑backend integration, demonstrates how Vite can transform TypeScript functions into API requests without explicit AJAX calls, and provides a complete plugin implementation that intercepts, forwards, and handles these requests using Express and middleware.
This article analyses the current front‑end development landscape, the talent shortage, reasons behind it, and proposes a systematic learning roadmap—including understanding the technology stack, assessing personal stage, and continuous skill growth—to help both newcomers and experienced developers advance their careers.
This article explores the core principles of asynchronous programming, explains how Prefresh enables fast refresh for Preact, showcases a comprehensive web animation tutorial, introduces the Doodle Ipsum illustration placeholder service, and details Theia's JSON‑RPC communication protocol for Cloud IDE extensions.
This article demonstrates how to refactor tangled asynchronous request chains and complex if‑else logic in JavaScript by replacing callback hell with Promise.all and async/await, extracting pure helper functions, and applying best‑practice principles to improve readability, testability, and maintainability.
This document details the EE NEXT SDK team's technical decisions to adopt Web Components for front‑end component development, explains the benefits and drawbacks of Custom Elements and Shadow DOM, outlines challenges such as cross‑stack compatibility, bundle size, style isolation, and provides practical implementation guidance and best‑practice recommendations.
This roundup covers React 18's move to beta, the Electron 16.0.0 launch, TypeScript 4.5 new features with code examples, plus essential open‑source libraries like Zod, tsd, Vitedge, and deep dives into TypeScript functions, narrowing techniques, and Svelte's compilation model.
This tutorial explains what data visualization is, why it matters, common front‑end visualization libraries, and provides step‑by‑step guidance on drawing lines and curves with Canvas—including segment generation, Bézier and B‑spline curves, animation techniques, and interaction (picking) methods—so developers can build interactive charts efficiently.
The latest Modern.js release adds Windows platform support, provides ready‑to‑use deployment capabilities—including built‑in web server, CDN upload to Alibaba Cloud OSS or Tencent COS, and static hosting—and outlines usage examples, configuration steps, changelog details, and upgrade guidance.
This week’s newsletter highlights four insightful front‑end articles covering modern web development inefficiencies, the new React 18 startTransition API, an in‑depth look at ByteDance’s Modern.js project, and essential CSS engineering techniques, each with recommendations and links.
The article outlines four practical ways to create global functions in Vue—mounting on Vue.prototype, using Vue.use with a plugin, applying a global mixin, and leveraging the $root event bus—while noting each method's advantages and limitations.
Despite the rise of newer frameworks like React and Next.js, jQuery remains a dominant JavaScript library with a 78% market share, deeply embedded in platforms such as WordPress, and continues to evolve through updates to its core and UI components while facing performance debates.
The article defines delivery capability as the ability to provide usable, complete results, explains why thorough delivery matters, and outlines concrete delivery standards for backend, frontend/mobile, and QA roles to achieve high‑quality, end‑to‑end software outcomes.
This article explains the complete redesign of IMFLOW, a Webpack‑based engineering tool, detailing the motivations, goals, refactoring patterns, modular architecture, plugin system, and performance improvements that transformed it from a heavyweight monolith into a lightweight, extensible core‑plus‑build‑kit solution for frontend development.
The YOHO platform is being refactored from AntV G6 to AntV X6 to gain richer, developer‑friendly graph‑editing capabilities, easier canvas manipulation, seamless HTML/React/Vue integration, and reduced custom‑shape effort, enabling a generic, low‑code orchestration solution with visual configuration, reusable components, and flexible trigger mechanisms.
This report describes a Python‑based web application built with Flask that scrapes hot‑search data from Weibo, Baidu and Zhihu, processes it using jieba and other libraries, and visualizes the results together with domestic COVID‑19 statistics using ECharts on a responsive front‑end page.
The article explains front‑end state management using San’s san‑store, detailing its Flux‑style architecture, action registration, component connection, immutable updates with san‑update, and a time‑travel debugging system that logs state changes, restores snapshots, computes efficient diffs, and discusses its benefits and limitations.
Vue adopts the Mustache template syntax, an elegant data‑to‑view solution, and the article reviews historical rendering methods, explains why Mustache is called “beard”, describes its token‑based compilation process, and compares it with other front‑end template engines.
This article explores the surprising 13KB JavaScript game "Space Huggers," explains the JS13k competition rules, and shares practical techniques—pixel graphics, minimalist sound, lightweight engines, and code trimming—that developers can use to create ultra‑small yet functional browser games.
This article traces the history of web design from early fixed‑size screens and table‑based layouts, through the rise of responsive design with media queries, to emerging concepts like user‑preference media queries and container queries that promise a more component‑driven, personalized future.
This article introduces a lightweight, cross‑platform SDK for mini‑programs that unifies log collection—including exception, normal, and performance data—by intercepting App, Page and platform‑specific APIs, handling multi‑environment differences, and providing flexible usage via npm or single‑file integration.
This article introduces the wlb-webpack-plugin, explains its purpose of automatically injecting anti‑overwork and code‑addiction messages into Webpack bundles during non‑working hours, details its four core features, configuration options, and provides complete source code examples for implementation.
This tutorial demonstrates how to build a playful orange‑cat mood‑changing animation using Vite and SCSS, relying solely on HTML and CSS (including variables, pseudo‑elements, transitions, and keyframe animations) without any JavaScript, and explains each step from project setup to final interactive effect.
Ant Design Charts, the official AntV React chart component library, offers out‑of‑the‑box high‑quality visualizations, easy configuration, strong stability, and seamless React integration, making it a powerful and maintainable solution for building rich data dashboards in modern frontend applications.
This article provides a comprehensive guide to client‑side caching, covering HTTP strong and conditional caching, cache‑control directives, and local storage options such as cookies, localStorage, sessionStorage, and IndexedDB, while offering practical strategies for cache refresh, browser cache principles, and offline application design.
This article explains the browser's same‑origin policy, why cross‑origin requests are blocked, and walks through practical solutions—including JSONP, CORS with simple and preflight requests, PostMessage, WebSocket, Nginx reverse proxy, Node middleware proxy, and document.domain—so developers can choose the right technique for their needs.
This article explains the fundamentals and strategies of client‑side caching, covering HTTP cache mechanisms (strong and negotiated caching), cache‑control directives, cookie storage, localStorage, sessionStorage, and IndexedDB, and provides practical guidelines for optimizing web performance and reducing network load.
Douyin’s Semi Design, an open‑source React UI design system for enterprise apps, faced criticism after undisclosed Ant Design text was found in its documentation, prompting a public apology, license updates, and detailed attribution of the borrowed components.
This article explains how the Deco platform uses AI and layout algorithms to automatically convert design drafts into reusable, semantic front‑end code, achieving around a 48% productivity gain during large‑scale e‑commerce events by streamlining UI reconstruction, component reuse, and data binding.
This article details the Deco intelligent code project, which leverages AI and layout algorithms to transform design drafts into semantic, reusable frontend code, achieving around 48% efficiency gains during large‑scale e‑commerce events and outlining the full pipeline from design processing to DSL generation and future AI platform integration.
This article examines the limitations of traditional Sankey diagrams for visualizing entity state transitions and proposes a card‑based data flow visualization that offers customizable start/end states, improved readability for disparate data scales, and enhanced user experience through interactive layouts and clear styling.
This article explains what form validation is, why custom validation rules are needed in Vue projects using Element UI, and provides step‑by‑step code examples for binding rules and models, defining custom validators, and handling rich‑text content validation.
The article explains why traditional load‑time metrics are insufficient for user experience, introduces three user‑centric performance metrics—Largest Contentful Paint, Total Blocking Time, and Cumulative Layout Shift—describes how they are measured, why they matter, and provides practical optimization techniques for each.
