Best JavaScript Libraries in China

DHTMLX is a powerful and easy-to-use JavaScript UI library that provides a wide range of customizable and flexible components for building modern and responsive web applications. It offers 30+ full-featured UI widgets, including grids, charts, diagrams, schedulers, gantt charts, calendars, trees, forms, and more. These components are optimized for fast rendering, ensuring that your application runs smoothly in all browsers and devices. DHTMLX is compatible with popular web frameworks such as React, Angular, and Vue.js. This makes it an excellent choice for developers who are already working with these frameworks and want to add a powerful UI library to their projects. Moreover, DHTMLX supports different data sources and formats, making it easy to integrate with various back-end technologies. DHTMLX provides extensive configuration and customization abilities for its UI components, allowing developers to tailor their appearance and behavior to meet specific application requirements and extend its functionality with custom features if needed. DHTMLX also has comprehensive documentation that covers every aspect of the library, including detailed API references, tutorials, and code examples, as well as an active community.

Kendo UI is the ultimate collection JavaScript UI components, including libraries for jQuery and Angular as well as Vue and React. Quickly build eye-catching, high-performance, responsive web applications--regardless of your JavaScript framework choice.

React simplifies the process of building interactive user interfaces by allowing developers to design straightforward views for each state of their application. When your data changes, React intelligently updates and renders only the components that need to be altered, ensuring efficiency. The use of declarative views contributes to a more predictable coding experience and facilitates debugging. You can create self-contained components that maintain their own state and combine them to construct intricate UIs. Since the logic for these components is implemented in JavaScript rather than templates, it allows for seamless data transfer throughout the application while keeping the state separate from the DOM. React does not impose restrictions on your technology stack, enabling you to introduce new features in React without the necessity of overhauling your existing codebase. Each React component features a render() method that accepts input data and determines what should be displayed. This particular example employs an XML-like syntax known as JSX, and the input data provided to the component can be accessed through this.props within the render() method. Overall, this flexibility makes React a powerful tool for modern web development.

jQuery is a lightweight and powerful JavaScript library that offers a plethora of features. It simplifies tasks such as manipulating and traversing HTML documents, handling events, creating animations, and making Ajax calls through a user-friendly API that is compatible with various web browsers. For those who are just starting with jQuery, it allows you to return a collection of matched elements that are either retrieved from the DOM using specified criteria or generated by providing an HTML string. Additionally, it is important to note that certain methods of the API have been deprecated in the latest versions of jQuery, affecting how developers interact with DOM attributes of elements. Familiarizing yourself with these changes is essential for effective jQuery usage.

A JavaScript UI library and framework designed to enhance web development efficiency, the JS Framework facilitates the creation of cross-platform web applications with an impressive collection of 102 UI widgets alongside feature-rich CSS and HTML5 JavaScript controls. By utilizing these pre-built widgets and UI components, developers can save over 3000 hours in development time, allowing them to build web user interfaces 30% faster. Our team has curated the finest design concepts, thoughtfully evaluating the user experience of each Webix component across five distinct conceptual designs. Additionally, our knowledgeable support service team is well-versed in the intricacies of our library and is ready to assist with any challenges you may encounter. For further engagement, we offer an official support forum where users can interact and troubleshoot alongside our developers. Employing the Webix JS framework ensures that your project benefits from clean and lightweight code grounded in object-oriented programming principles, while also allowing seamless integration with the jQuery library, MVC frameworks such as AngularJS, React, Vue.js, and Backbone.js, as well as third-party UI extensions, enriching the overall development experience. This comprehensive solution not only accelerates the development process but also enhances the functionality and design of your web applications.

Vue is a JavaScript framework designed for creating user interfaces, enhancing the typical use of HTML, CSS, and JavaScript with an intuitive API and exceptional documentation. It features a truly reactive rendering system optimized by a compiler, which minimizes the need for manual performance tweaks. Moreover, Vue offers a robust and incrementally adoptable ecosystem that seamlessly transitions from a simple library to a comprehensive framework. This framework employs a declarative and component-based programming approach, allowing developers to build user interfaces efficiently, regardless of their complexity. By extending standard HTML with a unique template syntax, Vue enables developers to express HTML output in relation to JavaScript state seamlessly. Additionally, it intelligently monitors changes in JavaScript state and updates the DOM accordingly, ensuring optimal performance. Overall, Vue represents a complete framework and ecosystem that encompasses nearly all the essential functionalities required for frontend development, making it a versatile choice for developers.

FusionCharts is a leading data visualization tool that helps developers create interactive and responsive charts for web and mobile applications. With 100+ chart types including line, bar, area, pie charts, and 2000+ maps, it enables users to visualize complex data sets and make informed decisions. The library is built on JavaScript and can be easily integrated with popular frameworks such as AngularJS, React, and Vue.js. Its user-friendly API and comprehensive documentation make it accessible to developers of all skill levels. Additionally, the library offers a wide range of features such as real-time updates and cross-browser compatibility. It also has a wide range of customization options, allowing users to tailor charts to their specific needs. With over a decade of development and updates, FusionCharts is a reliable and robust choice for data visualization and is trusted by thousands of businesses and organizations worldwide.

JointJS+ is a diagramming toolkit, a commercial extension of JointJS, that allows developers and companies of any size to create advanced Low-Code/No-Code and visual applications. Developers can utilize pre-built UI plugins to build custom applications, customize user interfaces and embed elements according to their requirements. Businesses can utilize JointJS+ to integrate interface with workflow systems, build business process management, diagramming, and project management applications, and more. It provides a programmer’s kit, which allows users to undo or redo changes, conduct graph manipulation, and validate data. Other features include custom shapes, JSON import/export, interactive diagrams, read-only view, automatic layouts, inline text editor, path editor, zoom, charts, and more. Start a risk-free 30-day trial to experience the power and flexibility of JointJS+.

With the jsPlumb Toolkit users can rapidly bring to market Javascript applications that are focused on visual connectivity. People use jsPlumb to create flowchart designers, call center applications, data visualizations, process builders and much more. jsPlumb Toolkit is a mature, powerful and standards compliant diagramming library solution users can rely on as the foundation for their own applications. For developers, the jsPlumb Toolkit offers a rich set of functionality such as pan/zoom, automatic layouts, edge routing, object inspectors, and a whole lot more. This comprehensive feature set allows developers to focus on what makes application unique and not waste time reinventing the wheel.

Bryntum provides high-performance web scheduling solutions. Our suite of JavaScript components--including Gantt, Scheduler, Task Board, and Calendar--enables developers to build modern project management applications with features like drag-and-drop scheduling, resource management, and interactive timelines. Flexible and rapid implementation is ensured by seamless integration with popular frameworks like React, Angular Vue and Ext JS. Bryntum solutions enable organizations to deliver robust and intuitive project planning tools to scale.

Verge3D® serves as a robust and user-friendly toolkit enabling artists using Blender, 3ds Max, or Maya to craft captivating web-based experiences. This innovative platform supports the development of various interactive projects, including animations, product configurators, dynamic presentations, online retail environments, educational content, digital portfolios, and browser-based games. With Verge3D, cutting-edge 3D web technology becomes easily accessible, allowing your stunning content to thrive on your website for a massive online audience. Features such as true 360° views, zoom capabilities, and rich animations will elevate the level of interaction and engagement with your creations. It is compatible with a wide range of devices, from compact smartphones to powerful workstations and even large televisions. All necessary tools have been meticulously curated in one location, resulting in the comprehensive Verge3D toolkit. Explore the potential of Verge3D to revolutionize your business and set your brand apart in today's competitive landscape! By harnessing this technology, you can ensure that your creative visions reach audiences in a compelling and interactive manner.

Access over 1,250 .NET and JavaScript components that empower you to create feature-rich, aesthetically pleasing web, desktop, and mobile applications with greater efficiency and less effort. Additionally, enjoy comprehensive .NET embedded reporting capabilities. Ensure a consistent design and experience across all your applications. With ready-to-use themes and endless customization possibilities, you can swiftly deliver a polished and professional frontend to your users. Streamline your daily software development processes and potentially reduce development time by up to 50%, thereby enhancing productivity while keeping pace with the latest technology trends and user experience standards. Explore a wealth of resources, including demos, tutorials, feature specifications, code samples, and comprehensive APIs. Take advantage of top-notch support even during your trial period, along with thorough documentation and vibrant community forums. With this exceptional suite of software development tools, you can leverage .NET and JavaScript UI components for various applications, alongside robust reporting and report management solutions, as well as automated testing features, ensuring a complete and high-quality development experience. Ultimately, this collection serves as a valuable asset for developers aiming to elevate their applications and streamline workflows.

Underscore is a robust JavaScript library that offers a plethora of functional programming utilities without modifying any native objects. It boasts over 100 functions that cater to common functional programming needs such as map, filter, and invoke, alongside more unique features like function binding, JavaScript templating, quick index creation, and deep equality checking. Users have the option to import either the entire library or individual modules according to their requirements. The project is available on GitHub, where you can report any bugs and engage in feature discussions through the issues page or the Gitter channel. Underscore version 1.x maintains backward compatibility with any platform that supports ES3 fully, while still leveraging newer JavaScript features when they are applicable. Its collection functions operate seamlessly on arrays, objects, and array-like structures. Recent confirmations indicate that this library is also compatible with Adobe ExtendScript, further enhancing its versatility. Additionally, support code for Internet Explorer 8 has been included, and this will continue to be a part of future updates to Underscore. The library's dedication to broad compatibility and functional programming makes it an essential tool for developers.

Lodash is a contemporary utility library for JavaScript that emphasizes modular design, high performance, and additional features. It is distributed under the MIT license and is compatible with modern development environments. By simplifying the manipulation of arrays, numbers, objects, and strings, Lodash enhances the JavaScript programming experience. Its modular methods are particularly effective for iterating over arrays, objects, and strings, as well as for testing and manipulating values and for constructing complex functions. Available in various builds and module formats, Lodash caters to diverse programming needs. Additionally, futil-js offers a suite of functional utilities that serve to enhance the capabilities of Lodash. The library has been confirmed to work seamlessly in browsers such as Chrome 74-75, Firefox 66-67, Internet Explorer 11, Edge 18, Safari 11-12, and in Node.js versions 8-12. One practical application of Lodash involves determining the appropriate index for inserting a value into a sorted array while preserving its order. Furthermore, Lodash supports method chaining, allowing developers to combine operations on arrays, collections, and functions efficiently, while methods that yield a single or primitive value conclude the chain automatically. This flexibility makes Lodash a valuable asset for any JavaScript developer.

Glimmer offers fast and efficient UI components tailored for both Ember.js and standalone applications. As one of the swiftest DOM rendering engines, it provides outstanding performance not only during initial loads but also for subsequent updates. Designed similarly to a virtual machine, Glimmer transforms your templates into low-level code, ensuring optimal speed without compromising user-friendliness. Furthermore, Glimmer components seamlessly integrate with your existing technology stack, allowing you to introduce new features without the need to overhaul current code. Since the Glimmer VM underpins the components in Ember, developers can tap into a robust, full-stack framework whenever necessary, simply by incorporating Glimmer components into their Ember apps without making any adjustments. Additionally, Glimmer.js consists of numerous smaller packages, creating a developer-friendly API that sits atop the foundational Glimmer VM, thereby enhancing the overall development experience. This modularity encourages developers to build upon Glimmer's capabilities easily, fostering innovation while maintaining performance.

Utilize a compact JavaScript library to develop smooth and engaging gradient animations. You can create simple gradient animations using three color combinations in a queue, as well as intricate transitions featuring two gradients positioned differently with three distinct colors. Experiment with gradient animations that incorporate images and specific blending modes. Additionally, you can create animations with two colors alongside a background image and a chosen blending mode. For further customization, explore the options detailed on the API page. Implement a gradient animation that employs an image mask to produce effects beneath a defined shape. Furthermore, design animations that can react to user interactions; for instance, clicking on various states within the gradient animation will trigger changes in the gradients. Adjust the gradient direction using pixel or percentage values, and bear in mind that the animation will pause when you switch tabs. You also have the ability to control and modify the duration of these animations, ensuring that all options are at your disposal for personalizing the states and gradients involved. With this library, the possibilities for creative expression through gradient animations are virtually limitless.

fullPage.js is continuously updated and driven by a vibrant community, establishing itself as the most comprehensive framework in its category. It has gained the trust of many cutting-edge companies and functions smoothly across both modern and older browsers, including Internet Explorer 9. This framework empowers you to craft stunning websites accessible to everyone, rather than just a select audience. It is user-friendly and highly customizable, featuring numerous examples and excellent documentation alongside both community and individual support. Optimized for mobile devices and tablets, it boasts full responsiveness, appealing to users of all ages. Additionally, fullPage.js offers various extensions that can further improve its already impressive functionality, such as creating smooth, water-like transitions during section and slide scrolling. The framework also supports multiple CDNs and package managers like npm and bower. Users can opt for an annual subscription that provides complimentary updates for a year or choose a one-time payment option, which includes free updates until the next major version release. This flexibility in payment plans ensures that users can select the best option that suits their needs while enjoying a consistently evolving product.

Preact offers a minimalist Virtual DOM abstraction that sits atop the actual DOM, leveraging stable platform capabilities while effectively managing event handlers and maintaining compatibility with other libraries. Unlike many UI frameworks that can significantly inflate the JavaScript size of applications, Preact stands out for its lightweight nature, ensuring that the bulk of an app's JavaScript comprises the developer's own code. This results in less JavaScript to download, parse, and execute, allowing developers to focus on creating tailored user experiences without the burden of managing a cumbersome framework. Beyond just its compact size, Preact is recognized as one of the fastest Virtual DOM libraries available, owing to its straightforward and reliable diffing algorithm. The library optimizes performance by automatically batching updates, and its development team collaborates closely with browser engineers to maximize efficiency. With Preact, developers can enjoy both speed and simplicity in their projects, ultimately enhancing the overall user experience.

Leaflet stands out as the premier open-source JavaScript library for creating mobile-responsive interactive maps. At around 42 KB in size, it encompasses all the essential mapping functionalities that developers typically require. The design prioritizes simplicity, efficiency, and user-friendliness. Compatible with all leading desktop and mobile platforms, it offers extensive plugin support, a visually appealing and intuitive API, and an easily navigable source code that encourages contributions. Rather than attempting to cater to every possible need, Leaflet emphasizes perfecting fundamental tasks. The use of hardware acceleration ensures a fluid experience similar to that of native applications. By leveraging CSS3 capabilities, it achieves exceptionally smooth panning and zooming. Additionally, it features intelligent polyline and polygon rendering, which incorporates dynamic clipping and simplification for enhanced speed. The modular architecture allows developers to omit unnecessary features, and it effectively eliminates tap delays on mobile devices, enhancing the overall user experience. This combination of attributes positions Leaflet as an excellent choice for developers seeking a reliable mapping solution.

This project demonstrates how to create a unified background effect across several elements using only CSS. To achieve the desired "background sharing" effect without relying on JavaScript for coordinate management, Multiple.js serves as an excellent solution. The design incorporates icons and text on lighter layers that utilize gradients derived from darker layers, giving the appearance of a hidden violet backdrop. Furthermore, layers convey a background image (depicting a girl) with uniform transparency, ensuring that these layers do not overlap visually. All of these techniques can be executed purely through CSS. It's essential to introduce spacing between elements to keep the background consistently positioned. By toggling between background images and gradients, you can visualize the overall effect. It’s effective to omit random layers to maintain the independence of elements. The background can be seamlessly expanded to fit the full size of the viewport, providing each element with the precise portion it requires. This allows for a versatile design that is both functional and visually appealing.

Moment.js is a comprehensive JavaScript date library that excels in parsing, validating, manipulating, and formatting dates. It was crafted to function seamlessly in both web browsers and Node.js environments, ensuring that all code is compatible across these platforms, which is further supported by running unit tests in both settings. With its widespread adoption, Moment.js has been utilized in millions of applications around the globe. As of September 2020, it achieved an impressive milestone of over 12 million downloads each week! Since its inception in 2011, Moment has seen various enhancements, yet its core design principles have remained largely intact. It is compatible with Internet Explorer 8 and newer versions, making it accessible for a wide range of users. While certain libraries are structured into modules or plugins, others leverage the ECMAScript Intl API for enhanced locale and time zone functionalities. Some libraries, like Moment and Moment-Timezone, still offer their own locale and time zone files. This adaptability is crucial, especially since different locales interpret week-of-the-year numbering in diverse ways; thus, Moment.js incorporates options to get and set the localized week of the year, ensuring a flexible user experience. Overall, Moment.js continues to be a vital tool for developers working with date and time in web applications.

Masonry is a JavaScript library designed for creating grid layouts. It efficiently positions elements based on the vertical space available, similar to how a mason would skillfully arrange stones within a wall. This layout technique can be observed frequently across various websites. The styling and size of each item are dictated by your own CSS, allowing for significant customization. For responsive designs, item sizes can be adjusted using percentage values. However, when images are not loaded, they can disrupt the layout, causing overlapping elements; this is where imagesLoaded comes into play. imagesLoaded is an additional script that can be easily downloaded and integrated to solve this problem. Interestingly, you can set up Masonry directly in your HTML without needing to write any JavaScript code. While all configuration options are optional, it is advisable to specify column width and item selection for optimal performance. Items can be aligned neatly to a horizontal grid, and you have the flexibility to use element sizing with percentage widths for responsive designs. Additionally, controlling element sizing through CSS is beneficial for creating layouts that adapt well across different media queries, enhancing the overall user experience.

Implement rapid top-down rendering of views while embracing the principles of functional programming. Strive for views that are predictable, inherently modular, and easily composable, yet maintain high performance. In this context, Omniscient serves a role similar to how memoization enhances the efficiency of the Fibonacci function in React. This approach applies functional programming techniques to user interfaces, utilizing memoization for stateless React components and ensuring a top-down component rendering with a unidirectional data flow. It promotes the use of immutable data structures, such as those provided by Immutable.js, and encourages the development of small, composable components that can share functionality via mixins. The design naturally leads to a clear separation of concerns, with each component handling only its specific data slice. By centralizing definitions and maintaining efficiency, an Omniscient component can be seen as a more optimized version of a Stateless React Component. Furthermore, Omniscient transcends being merely a library; it embodies a mindset for constructing applications. Wrapped in a UMD format, Omniscient offers versatility for use across various modules, including CommonJS, AMD, or simply via the global window object, making it adaptable for different development environments. This flexibility allows developers to seamlessly integrate it into a wide array of projects.

Introducing Parsley, the leading JavaScript library for form validation. The process of validating frontend forms has reached new heights in both simplicity and power. Unlike any other form validation tool, you can effortlessly express your validation needs in plain English directly within your form's HTML tags, and Parsley will handle everything else for you! There's no requirement to write even a single line of JavaScript for basic validation tasks. Parsley has become even more intelligent, as it automatically senses changes in your forms and adjusts its validation rules accordingly. Whether you add, remove, or modify fields, Parsley will seamlessly keep pace with your changes! It comes equipped with an array of over a dozen highly useful validators. If that’s not sufficient, you can utilize the fantastic extra Ajax validator or explore numerous additional validators contributed by the community. With a strong emphasis on user interface and experience, Parsley allows you to customize nearly every default behavior to meet your specific requirements. It also prides itself on being nearly bug-free, undergoing rigorous testing to ensure compatibility across all browsers, including the older Internet Explorer 8. In a world where user interaction is paramount, Parsley stands out as the go-to choice for developers seeking a robust and flexible form validation solution.

Positioning tooltips and popovers can be quite challenging, but that's where Popper comes into play! This tool takes an element, like a button, along with a corresponding tooltip element, and ensures that the tooltip is automatically placed in the optimal position adjacent to the button. Popper is adept at positioning any UI component that extends out from the regular document flow, hovering beside a target element. While tooltips are the most frequently encountered use case, Popper also accommodates popovers, drop-down menus, and various other similar elements, all of which can be collectively referred to as "popper" elements. To utilize this feature, simply click on the dots to select from 12 distinct placement options for your tooltip. It's important to note that pure CSS poppers may overflow and get clipped by boundaries like the viewport, which can lead to them being partially obscured or extending beyond the edge due to the absence of dynamic positioning logic. By incorporating Popper into your project, you can rest assured that your popper will consistently be placed accurately, eliminating the need for any manual adjustments, thus streamlining your UI design process. With this functionality, you can create a more user-friendly interface that enhances the overall experience.