Compare the Top JavaScript Libraries in Japan as of September 2025

What are JavaScript Libraries in Japan?

JavaScript libraries are collections of pre-written JavaScript code that developers can use to simplify and accelerate web development tasks. They provide ready-made functions, utilities, and components for handling common challenges such as DOM manipulation, animations, event handling, data formatting, and AJAX requests. By using libraries, developers reduce the amount of repetitive coding needed and ensure greater cross-browser compatibility. Many JavaScript libraries focus on specific areas, such as UI design, data visualization, or state management, making them versatile tools in both front-end and back-end development. They play a vital role in modern web applications by boosting efficiency, improving code quality, and supporting rapid prototyping. Compare and read user reviews of the best JavaScript Libraries in Japan currently available using the table below. This list is updated regularly.

  • 1
    JointJS

    JointJS

    client IO s.r.o.

    JointJS is a powerful JavaScript diagramming library that helps developers and companies of any size build advanced visual and No-Code applications. It comes in two versions: open-source (JointJS) with limited features and professional (JointJS+), which extends the features of JointJS and offers a wide range of customizable features, ready-to-implement demo applications and white-glove support.
    Starting Price: $2990 per developer
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