What js does canvas have?

Canvas js includes Fabric.js, Konva.js, EaselJS, Paper.js, etc. Detailed introduction: 1. Fabric.js, a powerful Canvas library, provides a series of APIs and tools to simplify the drawing and operation of Canvas; 2. Konva.js, a 2D drawing library for Canvas, provides A set of simple and easy-to-use APIs for creating and operating graphics in Canvas; 3. EaselJS, etc.

The operating environment of this tutorial: Windows 10 system, Dell G3 computer.

Canvas is an important feature in HTML5. It is an HTML element that can draw graphics using JavaScript. With Canvas, developers can draw 2D and 3D graphics, create animations, and implement interactive effects in the browser. In Canvas, JavaScript plays a vital role. It can be used to control the drawing process of Canvas, implement interactive behaviors, and handle user input. The following will introduce some commonly used Canvas-related JavaScript libraries and frameworks.

1. Fabric.js: Fabric.js is a powerful Canvas library that provides a series of APIs and tools to simplify Canvas drawing and operation. Fabric.js supports the selection, movement, scaling and rotation of objects, and can achieve graphics fill, gradient, shadow and other effects. It also supports importing and exporting graphics in Canvas, and Canvas can be saved as an image or SVG format.

2. Konva.js: Konva.js is a 2D drawing library for Canvas. It provides a set of simple and easy-to-use APIs for creating and manipulating graphics in Canvas. Konva.js supports operations such as dragging, scaling, and rotating graphics, and can achieve animation effects. It also supports layer management, which can divide Canvas into multiple layers for easy management and control.

3. EaselJS: EaselJS is a module in the CreateJS library. It provides a simple API for drawing graphics on Canvas and achieving interactive effects. EaselJS supports graphics drawing, filling, gradient and other operations, and can achieve animation effects. It also provides some commonly used interaction events, such as click, drag and drop, etc., to facilitate developers to implement user interaction.

4. Paper.js: Paper.js is a powerful vector graphics library based on Canvas technology and provides a set of simple and easy-to-use APIs for creating and manipulating vector graphics. Paper.js supports path drawing, editing and transformation, and can achieve complex graphic effects. It also supports layer management and event processing, making it easier for developers to implement complex interactive effects.

In addition to the above several commonly used Canvas-related JavaScript libraries and frameworks, there are many other libraries and frameworks that can be used for Canvas development, such as Pixi.js, Three.js, etc. These libraries and frameworks provide rich functions and APIs, which can help developers use Canvas technology more conveniently to achieve a variety of graphics and interactive effects. Whether you are a beginner or an experienced developer, you can choose the appropriate libraries and frameworks for Canvas development based on your needs.

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