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Canvas fingerprinting works by exploiting the HTML5 canvas element.As described by Acar et al. in: [6] When a user visits a page, the fingerprinting script first draws text with the font and size of its choice and adds background colors (1).
The canvas element is part of HTML5 and allows for dynamic, scriptable rendering of 2D shapes and bitmap images. It is a low level, procedural model that updates a bitmap. HTML5 Canvas also helps in making 2D games. While the HTML5 canvas offers its own 2D drawing API, it also supports the WebGL API to allow 3D rendering with OpenGL ES.
The main reason for its inception was to demonstrate and test the abilities of JavaScript and Google's V8 JavaScript engine. Over time, it also started featuring other open-source web-based technologies such as HTML, Scalable Vector Graphics (SVG), WebGL, Web Audio, and the Canvas element.
Google recently launched a new web app called Chrome Canvas that allows you to doodle and jot down notes right in your browser. The new tool, which appeared without warning, can be accessed ...
WebGL (short for Web Graphics Library) is a JavaScript API for rendering interactive 2D and 3D graphics within any compatible web browser without the use of plug-ins. [2] WebGL is fully integrated with other web standards , allowing GPU -accelerated usage of physics, image processing, and effects in the HTML canvas .
The Lively Kernel is a graphical composition and integrated programming environment written fully in the programming language JavaScript using standard browser graphics (W3C Canvas or SVG). It is thus accessible to any browser as a web page, and it begins operating as soon as the web page is loaded.
It allows Java test code to examine returned pages either as text, an XML DOM, or as collections of forms, tables, and links. [1] The goal is to simulate real browsers; namely Chrome, Firefox and Edge. The most common use of HtmlUnit is test automation of web pages, but sometimes it can be used for web scraping, or downloading website content.
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