Open-source alternatives to En.javascript.info

This project is a structured JavaScript programming tutorial and web development learning resource. It serves as an educational guide for learning the JavaScript language, ranging from basic syntax to advanced programming concepts. The resource functions as a JavaScript code example library and a technical guide for DOM manipulation. It provides conceptual explanations and runnable code samples to demonstrate how to solve common development tasks and programmatically manage browser elements. The material covers frontend development training, web browser programming, and the implementation of

This repository is a collection of JavaScript coding challenges and a comprehensive interview guide. It provides reference implementations and educational examples designed to help developers master language fundamentals and prepare for technical interviews. The project covers a wide array of specialized implementations, including functional programming patterns like currying and partial application, as well as asynchronous patterns for concurrency control. It also includes practical examples of Document Object Model manipulation and the implementation of common data structures such as stacks

This project is a reference guide and collection of implementation patterns for replacing legacy libraries with native JavaScript. It provides a vanilla JavaScript reference guide, a modern web API cookbook, and a DOM manipulation cheat sheet to help migrate frontend dependencies to standard browser APIs. The project focuses on mapping library functions to native interfaces for DOM manipulation, network requests, and event handling. It includes a utility pattern library for common tasks such as string cleaning, type checking, and element styling. The covered capabilities include DOM element

This project is a collection of programming language references and syntax cheat sheets designed for rapid developer onboarding. It serves as a library of code-based documentation that uses valid source code files to provide whirlwind tours of various language specifications. The project focuses on programming language learning by providing concise, commented code examples that explain core features and syntax in place. This approach enables developers to quickly grasp language-specific patterns, data types, and execution flow through a consistent reference format. The content covers a broad

Cash is a lightweight DOM manipulation library and HTML element wrapper designed as an alternative to jQuery for selecting and modifying elements in modern browsers. It functions as a modular DOM framework and JavaScript utility library, providing a system to wrap DOM nodes into actionable collections for batch processing. The project is built with a modular design that supports tree-shaking, allowing build tools to exclude unused methods to minimize the final bundle size. It provides mechanisms for extending the core functionality and collection prototypes to implement reusable plugins and c

This project is a structured JavaScript programming course and learning path designed for beginners. It functions as an interactive coding tutorial and frontend web development guide, providing a curriculum centered on the JavaScript language. The project focuses on building dynamic web interfaces through the manipulation of the Document Object Model. It provides a series of instructional guides and practical challenges that allow for interactive coding practice and the verification of code execution within a dedicated environment. The curriculum covers core programming fundamentals, includi

This project is a collection of educational resources and structured curricula designed for learning JavaScript. It provides a programming course, a coding bootcamp, and a web development tutorial to guide learners from basic syntax to advanced programming patterns. The materials cover frontend development, including the creation of dynamic user interfaces and the management of remote data via HTTP requests. The curriculum includes instructional guides on using JavaScript to interact with web services and manipulate browser elements. The scope of the project extends to asynchronous API integ

This project is an ECMAScript 2015 reference guide and JavaScript language cheat sheet. It provides a concise summary of the language specifications, syntax updates, and new features introduced in the 2015 standard. The guide serves as a technical overview of modern language patterns used to manage modular code structures and asynchronous operations. It functions as a reference for implementing current coding standards and studying core updates to the language. The content covers a wide range of capabilities, including asynchronous programming, object modeling, and module management. It deta

This project is a JavaScript ES6 reference guide and syntax cheatsheet. It serves as an ECMAScript language guide providing technical examples and a curated list of tips for implementing modern JavaScript patterns. The guide covers a wide range of language features, including the use of classes for object blueprints, module systems for code organization, and arrow functions to preserve execution context. It provides instructions on utilizing block-scoped variables, template literals for string interpolation, and destructuring for nested data extraction. The reference also addresses asynchron

Web Components is a set of specifications for creating reusable custom elements with encapsulated styling and logic for the web. It provides a standard for defining new HTML tags that function as independent components across different browser engines. The system is built on three primary pillars: the Custom Elements standard for defining new tags, the Shadow DOM implementation for isolating internal document structures and styles, and the HTML Templates specification for defining reusable fragments of markup that remain inert until instantiated. These capabilities enable modular web design

This project is a technical interview preparation resource focused on JavaScript. It provides a collection of common technical questions, detailed answers, and conceptual quizzes designed to help users master core language fundamentals and browser APIs. The resource utilizes an interactive infrastructure that includes a coding workspace with in-browser runtime execution and an automated test suite to validate code correctness. It organizes content through curated learning paths and modular concept mapping to decompose complex language fundamentals into searchable study modules. The curriculu

This project is a technical interview study guide and a markdown-driven static site designed to help developers prepare for coding screenings. It serves as a curated collection of common technical questions and expert answers, functioning as a comprehensive educational resource. The platform provides a structured curriculum and reference materials across several key domains. This includes a JavaScript language reference covering programming fundamentals, a frontend engineering curriculum focused on UI patterns and responsive design, and a web security knowledge base detailing attack vectors a

pydoll is a Chrome DevTools Protocol automation library and headless browser controller used for web data extraction and parallel browser automation. It controls Chromium-based browsers via direct WebSocket connections, allowing it to manage isolated browser contexts and tabs while bypassing the overhead and detection associated with WebDriver. The project features an anti-bot evasion framework that mimics natural human behavior, including mouse movements generated via Bezier curves and variable typing patterns. It provides specialized stealth capabilities to bypass behavioral analysis and au

This project is a comprehensive JavaScript programming tutorial and frontend web development curriculum. It serves as a structured educational resource for learning the JavaScript language, ranging from basic syntax to advanced asynchronous patterns and modern programming techniques. The resource functions as a frontend engineering textbook and CSS layout guide, providing detailed instructional material on building responsive user interfaces. It covers the design of custom web components and the application of styles and positioning to create effective frontend interfaces. The curriculum enc

jscamp is a full-stack web development and education project focused on mastering JavaScript, TypeScript, and AI integration. It provides a structured curriculum and interactive exercises covering language fundamentals, frontend engineering, and backend API development. The project distinguishes itself through the implementation of autonomous AI agents capable of complex task automation, such as modifying files, managing servers, and executing API calls. It includes advanced AI development tools for conversational querying, real-time code suggestions, and automated repository analysis to gene

This project is a comprehensive guide and set of engineering standards for writing readable, maintainable, and scalable JavaScript code. It provides a framework for software architecture, refactoring patterns, and clean coding practices designed to improve codebase health and longevity. The guide emphasizes the application of SOLID principles and architectural strategies such as dependency inversion and the separation of concerns. It focuses on transforming complex conditional logic through polymorphism and refactoring, while promoting a transition from imperative loops to declarative functio

Eloquent-JavaScript is a comprehensive JavaScript programming textbook and interactive coding tutorial designed for web development education. It serves as both a language reference and a practical guide, combining theoretical lessons with an environment where learners can execute and modify code examples. The project focuses on the fundamental principles of the JavaScript language, including lexical scoping, prototype-based inheritance, and asynchronous patterns. It provides detailed instruction on object-oriented programming, functional programming, and the use of the browser DOM to create

This project is a translated historical chronicle and programming language reference documenting the technical evolution and standardization of JavaScript over two decades. It serves as a software engineering archive that tracks version drafts and the influence of various standards bodies on the development of the language. The repository provides a Chinese translation of a comprehensive history, analyzing the socio-political and technical milestones of the ecosystem. It maps language milestones and chronicles the development of official specifications to provide historical context on how the

This project is a comprehensive Lisp AI implementation library that provides reference implementations for various artificial intelligence paradigms and symbolic algorithms. It functions as a multi-purpose toolkit containing a logic programming engine, a natural language processing suite, and a symbolic mathematics toolkit. The library is distinguished by its diverse architectural frameworks, including a Prolog-style execution engine that uses unification and goal-driven backtracking, and a system for simulating human decision-making through expert system shells and certainty factors. It also

This project is a structured JavaScript programming tutorial and frontend development learning resource. It serves as a programming educational resource designed to teach core coding principles, fundamental syntax, and complex programming patterns. The content functions as a modern JavaScript language guide and language specification guide, with instructional materials based on current industry standards and technical specifications for contemporary web development. The resource is authored as markdown-based technical documentation and delivered as static HTML pages.

This project is a collection of translated educational resources and documentation focused on the internal mechanics of the JavaScript language. It provides detailed guides and tutorials covering core concepts such as scope, closures, and prototypes. The materials specifically address asynchronous programming patterns, including callbacks, promises, and generators. It also provides guidelines for performance optimization through benchmarking and tuning techniques to improve code execution speed and resource efficiency. The content is delivered via a static site generated from markdown files

This project is a Portuguese translation of a comprehensive JavaScript programming guide and educational resource. It serves as a technical textbook designed to make JavaScript education accessible to Portuguese speakers, covering fundamental syntax, data structures, and programming logic. The material provides instruction on both web development and server-side application building. It includes a structured approach to learning how to manipulate the browser document model and handle user events to create interactive user interfaces. The resource is delivered through multiple formats, includ

The JavaScript Way is a free, open-access educational resource that teaches modern JavaScript and full-stack web development through a project-based book and interactive exercises. Its core identity is a comprehensive learning path that combines free online content, progressive skill-building, and hands-on exercises to guide learners from programming fundamentals to building a complete real-world application. The project distinguishes itself by structuring its curriculum around a single, unified project—a social news web application—that learners build incrementally across multiple chapters.

This project is a JavaScript educational resource and frontend web development course. It provides a collection of starter files and final projects designed to teach the JavaScript programming language through practical application. The material functions as a project portfolio and implementation guide, demonstrating how to build interactive user interfaces using the document object model. It focuses on event handling, object oriented programming, and the integration of native browser features. The course covers a range of capability areas, including asynchronous data fetching, client-side a

javascript-in-one-pic is a visual reference guide and cheat sheet that provides a high-level graphical overview of the JavaScript programming language. It maps core syntax and fundamental building blocks into a single diagram to serve as a comprehensive language overview. The project functions as a syntax reference and learning tool, using programming language visualization to help users locate and review language rules in a condensed format. The guide is implemented as a resolution-independent SVG diagram that uses a grid-based hierarchical arrangement and visual-spatial mapping to illustra

This project is a frontend interview question bank and a comprehensive web development curriculum. It serves as a technical reference and study guide for software engineering candidates, combining a curated collection of interview questions and answers with a broad computer science fundamentals reference. The knowledge base is structured as a markdown-based system, using a folder-based taxonomy and directory hierarchy to organize technical topics. It employs a git-driven workflow to manage contributions and updates to the content, which is delivered as static documentation. The curriculum co

This project is a JavaScript educational repository and programming courseware. It provides a collection of code examples and practical projects designed for learning the JavaScript programming language. The repository covers language learning through hands-on exercises, including the implementation of coding projects and algorithm practice. It focuses on both frontend web development and the application of object oriented programming. The content includes materials for managing variables and data types, performing mathematical operations, and manipulating strings and dates. It also provides