Heat.js 4.5: A Heat Map Visualization Library

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Heat.js 4.5: A Heat Map Visualization Library

Heat.js is a lightweight JavaScript library for creating contribution heat maps, similar to GitHub's contribution tracker. With no external dependencies, it is designed to be small, responsive, and highly theme-able, making it ideal for integrating interactive and visually appealing heat maps into your projects. The library provides a live demo and a GitHub repository, allowing developers to explore its features and implementation with ease. Its simplicity and flexibility make it suitable for a wide range of applications, from tracking user activity to visualizing data trends. Perfect for developers looking for a straightforward solution to add heat map visualizations, Heat.js combines performance and customization to enhance user experience.
JavaScript
GitHub
Web Development
Open Source
4 min read
Over 150 Algorithms and Data Structures Demonstrated in JS

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Over 150 Algorithms and Data Structures Demonstrated in JS

This article provides a comprehensive collection of examples for common algorithms and data structures, including bit manipulation, Pascal’s triangle, Hamming distance, linked lists, tries, and graphs. Each example is accompanied by clear explanations, making it a valuable resource for both beginners and advanced developers looking to deepen their understanding of fundamental programming concepts. What sets this resource apart is its accessibility—it’s available in eighteen different languages, allowing a broader audience to benefit from its content. The article is a practical guide for developers who want to refine their problem-solving skills or prepare for technical interviews. With its clear explanations and multilingual support, this resource is a must-read for anyone looking to strengthen their knowledge of algorithms and data structures.
JavaScript
Development
6 min read
Better Auth: A Comprehensive Authentication Framework for TypeScript

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Better Auth: A Comprehensive Authentication Framework for TypeScript

BetterAuth is a framework-agnostic authentication and authorization solution designed to streamline user management across web applications. It supports various features, including email and password-based authentication, OAuth, social sign-ins, account and session management, and two-factor authentication (2FA), making it a robust choice for developers. The recent v1.4 release introduces stateless/database-free session management, further enhancing scalability and simplifying implementation for modern web apps. This update ensures secure session handling without requiring persistent storage, making it ideal for distributed or serverless architectures. With its flexibility and comprehensive feature set, BetterAuth is a valuable tool for developers seeking a reliable and easy-to-integrate authentication solution. Whether you're building a new project or upgrading an existing system, this framework provides the tools needed to ensure secure and seamless user access.
Authentication
Web Development
Security
JavaScript
5 min read
FullCalendar: A Full Sized JavaScript Calendar Control

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FullCalendar: A Full Sized JavaScript Calendar Control

FullCalendar is a versatile JavaScript library that brings a Google Calendar-style experience to your applications. It supports seamless integration with popular frameworks like React, Vue, and Angular, while also working flawlessly with plain JavaScript. Designed for flexibility, it allows developers to create customizable and dynamic calendar interfaces for web apps. The library is offered under an MIT license for its base version, making it accessible for open-source projects, while a commercial version is available with additional advanced features for enterprise applications. Whether you need basic event management or more sophisticated calendar functionalities, FullCalendar has you covered. A must-have tool for developers building scheduling, event management, or booking systems, FullCalendar combines ease of use, rich features, and cross-framework compatibility to enhance user experiences.
JavaScript
React
VueJS
Angular
Web Development
Open Source
4 min read
TSDiagram: Diagrams as Code with TypeScript

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TSDiagram: Diagrams as Code with TypeScript

This tool allows you to draft diagrams quickly using TypeScript, offering a seamless way to define data models with top-level type aliases and interfaces. It automatically generates and efficiently lays out nodes based on your TypeScript definitions, saving time and effort in creating complex diagrams. With its intuitive approach, the tool is particularly useful for developers looking to visualize their codebase or workflows without manually designing diagrams. Its TypeScript integration ensures that the diagrams remain consistent with the underlying data models. Explore the tool’s features and capabilities through its GitHub repository, making it an excellent resource for developers who want to streamline their diagramming process while staying within their coding environment.
TypeScript
Developer Tools
GitHub
Web Development
JavaScript
5 min read
Ant Design 6.0: The React UI Design Language and UI Library

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Ant Design 6.0: The React UI Design Language and UI Library

Ant Design, one of the most comprehensive and professional-looking React component libraries, is releasing version 6 with significant updates. This release focuses on providing a smooth migration path for v5 users while introducing optimizations and ensuring full compatibility with React 19. The new version brings enhanced performance, modernized features, and improved developer experience, making it easier to build scalable and visually appealing user interfaces. The update ensures that existing projects can transition seamlessly while taking advantage of the latest advancements in the React ecosystem. Ideal for teams building enterprise-grade applications, Ant Design v6 continues to deliver a polished and feature-rich component suite, solidifying its place as a go-to solution for React developers.
React
Web Development
Front End
JavaScript
Design System
6 min read
Why Use React? (On the Frontend)

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Why Use React? (On the Frontend)

In this thought-provoking article, Jeremy raises critical questions about React’s evolving role in modern web development. While he acknowledges the impressive server-side capabilities React now offers, he challenges its necessity on the frontend, suggesting that alternatives like Preact might be better suited for certain use cases. The discussion focuses on the balance between React’s powerful features and the growing need for lightweight, efficient tools on the frontend. Developers are encouraged to reconsider their default choices and evaluate whether React’s complexity aligns with their project requirements or whether simpler solutions can deliver better outcomes. This article is a must-read for developers exploring the future of frontend frameworks and server-side rendering, providing insightful comparisons and sparking valuable debates about the optimal tools for different scenarios.
React
Framework
Web Development
Performance
JavaScript
6 min read
The Shai-Hulud 2.0 npm Worm: Analysis, and What You Need to Know

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The Shai-Hulud 2.0 npm Worm: Analysis, and What You Need to Know

This article explores the resurgence of a new and more advanced version of the Shai Hulud npm worm, which is targeting npm packages to exfiltrate developers' credentials and propagate itself further. The write-up provides a detailed breakdown of how the worm operates, including its infection mechanisms, credential theft methods, and its strategy for spreading by republishing compromised packages. The analysis highlights the significant risks posed to the JavaScript ecosystem, emphasizing the importance of robust security practices to safeguard against such threats. Developers are advised to stay vigilant, monitor their npm dependencies, and adopt secure coding and package management practices to mitigate risks. A must-read for developers and security professionals, this article offers valuable insights into the mechanics of modern-day npm supply chain attacks and how to protect your projects from such threats.
JavaScript
Security
Development
7 min read
The Performance Inequality Gap in 2026

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The Performance Inequality Gap in 2026

In this article, esteemed browser and Web standards expert Alex Russell examines the current state of client-side Web performance, highlighting critical factors that impact user experience. He delves into key considerations such as bandwidth limitations, the types of devices users rely on, and the growing concern over increasingly large JavaScript bundle sizes. The piece serves as a wake-up call for developers, warning against the consequences of neglecting performance optimization in an era of diverse device capabilities and varying network speeds. Alex emphasizes the importance of being mindful of these factors to ensure accessible and efficient web experiences for all users. A must-read for developers and web performance enthusiasts, this article provides actionable insights and a clear perspective on how to tackle performance challenges in modern web development.
Performance
JavaScript
Web Development
6 min read
How Vercel Built Its First Mobile App with React Native

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How Vercel Built Its First Mobile App with React Native

This article provides an in-depth look at how Vercel built an iOS app for its v0 AI-powered app development tool using React Native and Expo. The piece highlights the technical challenges the team faced and the solutions they implemented to ensure a smooth and responsive user experience. Key topics include optimizing performance, addressing platform-specific issues, and leveraging React Native and Expo’s capabilities to create a seamless integration with v0’s AI-powered functionality. The article offers valuable insights into balancing design, functionality, and performance in modern mobile app development. A must-read for developers interested in AI-powered tools, React Native, or Expo, this article showcases practical strategies for overcoming development challenges while delivering a high-quality user experience.
React
AI
Mobile
Performance
Framework
JavaScript
16 min read
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