Open-source alternatives to Jquery

Day.js is a lightweight utility for parsing, validating, and manipulating date objects. It provides a fluent, chainable interface that allows for complex time calculations and transformations to be performed through a sequence of readable method calls. By utilizing an immutable wrapper pattern, the library ensures data integrity by creating new instances for every operation rather than modifying existing objects. The project is distinguished by a minimalist core abstraction that maintains a small footprint by offloading non-essential features to an optional, modular plugin system. This archit

D3 is a modular library providing low-level primitives for creating data-driven visualizations. It functions as a flexible framework that allows for direct control over visual presentation by mapping abstract data dimensions to graphical properties, such as position, color, and size, without imposing predefined chart abstractions. The library distinguishes itself by offering specialized tools for complex data representation, including algorithmic layouts for hierarchical structures and geographic projection utilities for mapping spherical coordinates. It also includes a comprehensive suite fo

Capybara is a browser automation testing library and framework for web application acceptance testing. It provides a high-level API for automating browser navigation and element interaction to validate user-facing features. The project features a cross-browser driver interface that allows switching between headless and full browser environments without modifying the underlying test code. This abstraction enables the simulation of complex web workflows across different browser drivers and environments. The suite covers user interaction simulation, including form filling, click events, and bro

Vue.Draggable is a user interface component for Vue that enables drag-and-drop list reordering. It functions as a declarative wrapper for the Sortable.js library, providing a specialized list element that synchronizes the visual order of elements with an underlying data model. The project supports complex interactive layouts, including the ability to transfer items between multiple containers and clone items during the drag process. It provides mechanisms to restrict drag initiation to specific handle elements and allows for the embedding of static content within the draggable area. The fram

This project is a client-side data visualization framework and SVG charting library used to render responsive, interactive charts in a web browser. It functions as a lightweight utility for generating scalable vector graphics and data annotations without external dependencies. The library enables the creation of custom SVG charts with adjustable colors and animations to meet specific design requirements. It supports dynamic data updates and the addition of markers, regions, and tooltips to provide context to specific data points. The system covers broad capability areas including responsive

winjs is a browser UI toolkit and JavaScript component library designed for building web applications. It provides a set of high-performance components and utilities with native support for touch, keyboard, and accessibility. The project features a cross-browser event normalizer that creates synthetic pointer and focus events to ensure consistent input behavior across different browsers. It also includes a web localization framework for managing multi-language translations and regional formats using key-value resource files. The toolkit covers a broad range of capabilities, including a front

Superagent is a cross-platform JavaScript HTTP client and Ajax library used for exchanging data between clients and servers. It provides a consistent API for making network requests that works identically across both Node.js and web browser environments. The library features a request pipeline that allows for the addition of custom behaviors to outgoing network calls. This system supports the implementation of specialized functions such as request throttling, caching, and the automatic signing of outgoing data.

This project is a browser API compatibility guide and replacement library designed to help migrate legacy codebases from jQuery to native browser APIs. It serves as a reference guide for finding vanilla JavaScript alternatives to common library methods. The resource focuses on vanilla JavaScript migration to reduce dependency overhead and improve page load times. It provides a mapping of library-specific functions to standard JavaScript methods to support frontend performance optimization and modern web development. The guide covers DOM manipulation, event handling, and the implementation of

Bootstrap-switch is a jQuery plugin that transforms standard HTML checkboxes and radio buttons into visual toggle switches. It serves as a form input switch that provides a sliding toggle interaction as a replacement for traditional binary input elements. This component is designed specifically for Bootstrap interfaces, allowing for the customization of web pages that follow the Bootstrap CSS framework design system. It enhances web forms by converting basic input elements into interactive switches to improve the visual clarity of binary settings and preferences.

This is a JavaScript date and time selector and a jQuery-based component used to capture single dates or date ranges through a calendar dropdown interface. It serves as a web-based tool for selecting specific days along with hours and minutes for scheduling and data filtering. The project includes support for regional date localization, allowing date displays and labels to be translated and formatted to match different languages and regional requirements. The component provides capabilities for input validation through date constraints and the definition of selectable time windows. Users can

Crawlee is a web scraping framework designed for building scalable, reliable, and distributed data extraction pipelines. It provides a unified interface for managing headless browser automation and lightweight HTTP requests, allowing developers to handle complex web navigation, dynamic content rendering, and large-scale data collection within a single, modular architecture. The project distinguishes itself through its resource-aware concurrency controller, which dynamically scales task execution based on real-time CPU and memory usage to prevent host machine exhaustion. It also features a rob

q is a JavaScript promise library and asynchronous flow controller designed to manage non-blocking operations. It serves as a system for coordinating parallel tasks and sequencing asynchronous workflows through task chaining and error propagation. The library distinguishes itself with specialized debugging tools that capture long stack traces across asynchronous jumps and monitor unhandled rejections to prevent silent failures. It also functions as a remote object proxy, forwarding method calls to remote targets and routing responses back through promises. The project provides comprehensive

This project is a comprehensive reference guide and technical documentation for the features, syntax updates, and APIs introduced in ECMAScript 6. It serves as a language specification and overview for modern JavaScript development. The guide covers a wide range of language enhancements, including the implementation of classes and prototype-based inheritance, the use of arrow functions for lexical scope binding, and the introduction of block-scoped variables. It details the module system for organizing independent code components via import and export statements. The documentation extends to

This project is a comprehensive front-end development guide and roadmap designed to help engineers master the skills and professional standards required for modern web development. It serves as a technical reference for mastering HTML, CSS, and JavaScript, providing structured learning paths and a map of the professional competencies needed to transition from a beginner to a professional web engineer. The resource functions as a categorized directory and ecosystem overview of the JavaScript landscape. It catalogs industry-standard frameworks, libraries, and utilities, offering specific recomm

Superagent is an isomorphic JavaScript HTTP client for sending network requests and processing responses across both Node.js and web browser environments. It provides a fluent request builder that uses a chainable interface to construct complex network requests with custom headers, query strings, and bodies. The library functions as a runtime-agnostic request adapter, allowing a single codebase to work consistently across different environments. It includes specialized capabilities such as an HTTP/2 client for forcing the HTTP/2 protocol and a Node.js agent for managing Unix socket connection

Ant Design Mobile is a mobile UI component library and design system built for React. It provides a collection of pre-styled interface elements and standardized UI blocks used to create consistent, responsive user interfaces for mobile web applications. The framework focuses on mobile web design and frontend interface engineering, providing tools to implement interaction patterns tailored for touch-based browsing. It ensures a uniform look and feel across different mobile browsers and handheld device screens. The library incorporates responsive layout systems and CSS-variable-based theming.

Bacon.js is a JavaScript functional reactive programming library used for coordinating complex asynchronous data flows. It functions as an observable event stream framework and an asynchronous data flow orchestrator, allowing developers to model events as declarative streams and properties. The library distinguishes itself through its ability to manage reactive state and synchronize timing across multiple sources. It provides specialized mechanisms for atomic state synchronization to prevent glitches in derived properties and offers advanced coordination strategies such as asynchronous stream

Ant Design is an enterprise-grade component library and design system framework built for developing complex, data-heavy web applications. It provides a comprehensive collection of pre-built, state-driven interface elements that map data properties to rendered components, ensuring consistent interaction patterns and visual language across large-scale projects. The library distinguishes itself through a robust styling architecture that utilizes design tokens and hierarchical configuration providers to propagate global settings like themes, locale, and layout direction. By employing component-l

Mousetrap is a JavaScript keyboard shortcut library used to bind specific key combinations and sequences to custom functions in web applications. It serves as a keyboard event handler that listens to and manages keypress, keydown, and keyup events across a browser window. The library includes a sequence-based input manager for triggering actions based on a precise series of keys pressed in a specific order. It also provides a custom shortcut recorder to capture user keystrokes for defining and saving personalized shortcuts. The system supports global binding registration to ensure shortcuts

1kb js library contains development debugging, error monitoring and reporting, user problem localization features - 1KB代码搞定开发调试发布，错误监控上报，用户问题定位

A fresh and flat UI-Kit specially for desktop application, made with ♥ by Vue.js 2.0 (DEPRECATED)

Vux is a mobile web UI kit and Vue mobile UI library consisting of predefined layout and interface components. It functions as a WeUI component framework that implements a standardized design language for web applications. The library provides a collection of reusable interface elements optimized for mobile browser screen dimensions and touch interactions. It ensures visual consistency across different mobile devices by mapping component styles directly to the WeUI mobile design specification. The framework covers mobile web interface design, mobile UI development, and the rapid assembly of

This project is an educational code repository containing a collection of over 50 mini web development exercises. It serves as a front-end learning resource designed to help developers practice foundational skills by building small, interactive projects using standard HTML, CSS, and JavaScript. The repository distinguishes itself by focusing on standalone interactive component prototyping and the implementation of client-side logic. Each project is organized into a decoupled directory structure, allowing users to explore individual interface patterns and visual effects in isolation. These exe

Lucky Canvas is a canvas-based lottery component library that enables developers to build interactive prize wheels, grid-based lottery games, and slot machines for web and mobile applications. The project provides a rendering engine that draws directly on HTML Canvas elements, with automatic device pixel ratio scaling to ensure crisp displays on high-DPI mobile screens. The library packages each lottery type as a self-contained plugin with its own configuration and rendering logic, and wraps the core canvas functionality in framework-specific bindings for Vue, React, Taro, and UniApp without

Sprint is a lightweight DOM manipulation and event handling library. It provides a minimal set of utilities for selecting, modifying, and traversing elements within the browser document object model. The library utilizes a selector engine to isolate specific document nodes using CSS-like patterns and positional indices. It encapsulates raw DOM elements within a wrapper object to provide a consistent API for updating element attributes, styles, and content. The toolset covers browser event management for attaching and detaching interaction handlers, as well as document tree navigation to loca

Hanzi Writer is an interactive Chinese character writing tutor and SVG animation library designed to visualize and validate the sequential construction of characters. It functions as a pedagogical tool for practicing calligraphy by rendering stroke-by-stroke animations and validating user-drawn paths. The library provides a system for comparing user input against predefined stroke sequences to verify writing accuracy in real time. It guides users through interactive exercises, directing the writing process and providing immediate feedback on stroke order. The tool handles the retrieval of ch