Draw on the Canvas With JavaScript The drawing on the canvas is done with JavaScript. The canvas is initially blank. To display something, a script is needed to access the rendering context and draw on it. The following example draws a red rectangle on the canvas, from position (0,0) with a width of 150 and a height of 75:

Apr 11, 2017 · The browser contains some very powerful graphics programming tools, from the Scalable Vector Graphics (SVG) language, to APIs for drawing on HTML <canvas> elements, (see The Canvas API and WebGL). This article provides an introduction to canvas, and further resources to allow you to learn more.

Feb 8, 2024 · There are many ways to code graphics for the web. You can create art with CSS. You can code an SVG image as part of an HTML file. Or you can generate graphics from …

Summary: in this tutorial, you’ll learn about HTML Canvas and how to use JavaScript to draw on the canvas. HTML5 features the <canvas> element that allows you to draw 2D graphics using JavaScript. The <canvas> element requires at least two attributes: width and height that specify the size of the canvas:

The <canvas> element defines a bitmapped area in an HTML page. The Canvas API allows JavaScript to draw graphics on the canvas. The Canvas API can draw shapes, lines, curves, boxes, text, and images, with colors, rotations, transparencies, and other pixel manipulations.

Mar 18, 2025 · By the end of this article, you will have learned how to draw rectangles, triangles, lines, arcs and curves, providing familiarity with some of the basic shapes. Working with paths is essential when drawing objects onto the canvas and we will see how that can be done.

Apr 10, 2025 · This tutorial describes how to use the <canvas> element to draw 2D graphics, starting with the basics. The examples provided should give you some clear ideas about what you can do with canvas, and will provide code snippets that may get you started in …

Feb 11, 2025 · This code provides a simple way to draw on a canvas using Vanilla JavaScript. It allows users to draw various shapes such as lines, circles, squares, rectangles, ellipses, and polygons. The code utilizes mouse events to track the user’s interactions with the canvas, including mouse down, move, and up events.

In this chapter we discussed techniques for drawing graphics in the browser, focusing on the <canvas> element. A canvas node represents an area in a document that our program may draw on. This drawing is done through a drawing context object, created with the getContext method. The 2D drawing interface allows us to fill and stroke various shapes.

Whether you're a beginner in JavaScript or looking to refine your skills, this article will guide you through detailed examples and comprehensive explanations on how to utilize the canvas element to create dynamic, interactive web content.