JavaScript Chinese Weekly #214 - Demonstrating 150+ Algorithms and Data Structures in JS

📌 Issue Highlights

An overview of this week’s most notable topics:

• 150+ algorithms and data structures in JavaScript with multilingual examples.
• Shai-Hulud 2.0 npm worm — deep security analysis and prevention tips.
• 2026 web performance gap — challenges with JavaScript bundle sizes.
• FullCalendar — a fully featured JavaScript calendar component.

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🔥 This Week’s Hot Topics

1. Over 150 Common Algorithms in JS

A repository featuring:

• Algorithms — bitwise operations, Pascal’s triangle, Hamming distance.
• Data structures — linked lists, tries, graphs, and more.
• 18 language translations for global accessibility.

📎 View Original

Author: Oleksii Trekhleb et al.

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2. Shai-Hulud 2.0 npm Worm

• Infects more packages.
• Steals developer credentials.
• Spreads automatically to other projects.

📎 Read Detailed Analysis

Authors: Tafani-Dereeper & Obregoso (Datadog)

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📰 News Flash

• TanStack 2-Year Journey — Growth story of TanStack projects: Start, Query, Form.
• Read Original
• Piccalilli Free Module: “Introduction to Asynchronous JavaScript” now available online.
• View Lesson

• Black Friday 2025 Dev Deals — Discounts on major frontend courses/tools.
• View Deals
• AWS Lambda Update — Node.js 24 runtime (`nodejs24.x`) supported until Apr 30, 2028.

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📖 Articles & Videos

Web Performance Gap 2026

• Analysis by Alex Russell on bandwidth/device inequality.
• Alarming growth in JS bundle sizes.
• Read Article

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React Alternatives in Frontend

• Jeremy questions React necessity on all projects.
• Suggests Preact for lightweight needs.
• Read Journal

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Invoker API — Interaction Without JS

• Assign behaviors to UI elements declaratively.
• Still allows custom commands via JavaScript.
• Watch Video

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Vercel’s First Mobile App with React Native

• Built with Expo for iOS, AI-assisted coding tool `v0`.
• Read Story

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Claude Code for Email Management

• Fetch Gmail data, analyze/process with Claude AI scripts.
• Read Guide

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Node.js Type Stripping Evolution

Read Article

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Other Notable Reads:

• Next.js $0.0001 DoS Fix — Read More !image
• Tinyglobby Modernization — Read More !image
• JS Side Effect System in 30 Lines — Read More !image
• 3D Scroll Animations with GSAP & Three.js — Read More !image
• Migrating 6,000 React Tests Using AI — Read More !image

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🛠 Code & Tools

FullCalendar

• Google Calendar-like experience.
• Supports React/Vue/Angular and plain JS.
• MIT base license; paid version for extra features.
• Learn More

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Better Auth

• TS-based AuthN/AuthZ middleware.
• Email/password, OAuth, social login, MFA/2FA.
• Stateless sessions in v1.4.
• Visit Site

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Heat.js v4.5

• Lightweight heatmap library.
• No dependencies; multiple themes.
• Try Demo

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Ant Design v6.0

• Enterprise React component library.
• Optimized performance & React 19 compatible.
• Migrate Guide

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TSDiagram

• Define diagrams via TypeScript types.
• Auto-layout for nodes/data flows.
• Try Tool

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📢 Ecosystem Updates

• CSS Subgrid — Supported in all major browsers. CanIUse !image
• GitHub Secret Scanning for Gists — Now scans unlisted Gists. Read Update !image
• RetroGameCoders IDE — Dev/play environment for retro systems. Try IDE !image
• Gemini 3.0 Features — New image gen & dev tools. Read Post !image
• Zig Migrates to Codeberg — Read Statement !image

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📦 Version Releases

• Prettier v3.7
• pnpm v10.24
• Bun v1.3.3
• Playwright v1.57
• Valibot v1.2
• Storybook v10.1
• Next.js v16.0.5
• Immer v11.0
• Chroma.js v3.2
• Node File Trace v1.1
• Cedar v1.0 (formerly RedwoodJS)
• swc4j v2.0
• React Lite YouTube Embed v3.2
• cron-schedule v6.0
• Vuetify v3.11
• Fable v4.28.0

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📱 Follow Us

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This rewrite keeps your headings logical, content grouped, and key points emphasized. If you'd like, I can also add key takeaways for each section in the next revision to make it even more scannable. Would you like me to do that?