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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 following examples create a canvas that is 320 pixels wide and 200 pixels high: [citation needed] // top left of canvas at the viewport's 10,50 coordinate var r = Raphael ( 10 , 50 , 320 , 200 ); // top left of canvas at the top left corner of the #example element (in elements where dir="ltr") var r = Raphael ( document . getElementById ...
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. WebGL elements can be mixed ...
Animate text and images in their document. Embed a ticker or other dynamic display that automatically refreshes its content with the latest news, stock quotes, or other data. Use a form to capture user input, and then process, verify and respond to that data without having to send data back to the server. Include rollover buttons or drop-down ...
Examples: Over 150 files of coding examples plus fonts, models, textures, sounds, and other support files; Debugging: Stats.js, [14] WebGL Inspector, [15] Three.js Inspector [16] Virtual and Augmented Reality via WebXR [17] Three.js runs in all browsers with support for WebGL 1.0 or WebGL 2.0. Three.js is made available under the MIT License. [1]
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Another example is the Ajax programming technique, where, for example, clicking a hypertext link may cause JavaScript code to retrieve the text for a new price quotation to display in place of the current one within the page, without re-loading the whole page. When the new text arrives back from the server, the JavaScript must identify the ...
Tor Project reference documentation states, "After plugins and plugin-provided information, we believe that the HTML5 Canvas is the single largest fingerprinting threat browsers face today." [12] Tor Browser notifies the user of canvas read attempts and provides the option to return blank image data to prevent fingerprinting. [6]