Edit File: canvas.json
{ "title":"Canvas (basic support)", "description":"Method of generating fast, dynamic graphics using JavaScript.", "spec":"https://html.spec.whatwg.org/multipage/scripting.html#the-canvas-element", "status":"ls", "links":[ { "url":"https://developer.mozilla.org/en/Canvas_tutorial", "title":"Tutorial by Mozilla" }, { "url":"http://glimr.rubyforge.org/cake/canvas.html", "title":"Animation kit" }, { "url":"https://diveintohtml5.info/canvas.html", "title":"Another tutorial" }, { "url":"https://github.com/arv/ExplorerCanvas", "title":"Implementation for Internet Explorer" }, { "url":"https://raw.github.com/phiggins42/has.js/master/detect/graphics.js#canvas", "title":"has.js test" }, { "url":"https://skilled.co/html-canvas/", "title":"Canvas Tutorial & Cheat Sheet" }, { "url":"https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API", "title":"MDN Web Docs - Canvas API" } ], "bugs":[ { "description":"The Android browser does not support clipping on HTML5 canvas. See the bug filed here: https://issuetracker.google.com/issues/36934492" }, { "description":"Older versions of iOS did not support video as a source for the canvas `drawImage()`, though it does appear to work as of iOS 8 [test case](https://jsfiddle.net/zL8KC/)" }, { "description":"Limits of `toDataURL()` for iOS:\r\n- The maximum size for decoded GIF, PNG, and TIFF images is 3 megapixels for devices with less than 256 MB RAM and 5 megapixels for devices with greater or equal than 256 MB RAM.\r\n- The maximum size for a canvas element is 3 megapixels for devices with less than 256 MB RAM and 5 megapixels for devices with greater or equal than 256 MB RAM.\r\n- JavaScript execution time is limited to 10 seconds for each top-level entry point." }, { "description":"In IE 11 `canvas.toDataURL()` does not work if the canvas has images with data URI sources [see bug](https://web.archive.org/web/20171004111538/https://connect.microsoft.com/IE/Feedback/Details/828416)" }, { "description":"IE 10 canvas doesn't support `setLineDash` or `lineDashOffset` [see bug](https://social.msdn.microsoft.com/Forums/en-US/85007e72-90ad-4bd9-affd-9a24702219e6/canvasrenderingcontext2dsetlinedash-and-linedashoffset-missing?forum=winappswithhtml5) " }, { "description":"IE and Edge does not support globalAlpha for drawImage of SVG graphics. [see bug](https://connect.microsoft.com/IE/feedback/details/1847897/globalalpha-ignored-when-drawing-svg-to-canvas) [see testcase](https://jsfiddle.net/p7b0wmcu/)" } ], "categories":[ "Canvas", "HTML5" ], "stats":{ "ie":{ "5.5":"n", "6":"p", "7":"p", "8":"p", "9":"y", "10":"y", "11":"y" }, "edge":{ "12":"y", "13":"y", "14":"y", "15":"y", "16":"y", "17":"y", "18":"y", "79":"y", "80":"y", "81":"y", "83":"y", "84":"y", "85":"y", "86":"y", "87":"y", "88":"y", "89":"y", "90":"y", "91":"y", "92":"y", "93":"y", "94":"y", "95":"y", "96":"y" }, "firefox":{ "2":"a #1", "3":"a #1", "3.5":"a #1", "3.6":"y", "4":"y", "5":"y", "6":"y", "7":"y", "8":"y", "9":"y", "10":"y", "11":"y", "12":"y", "13":"y", "14":"y", "15":"y", "16":"y", "17":"y", "18":"y", "19":"y", "20":"y", "21":"y", "22":"y", "23":"y", "24":"y", "25":"y", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y", "53":"y", "54":"y", "55":"y", "56":"y", "57":"y", "58":"y", "59":"y", "60":"y", "61":"y", "62":"y", "63":"y", "64":"y", "65":"y", "66":"y", "67":"y", "68":"y", "69":"y", "70":"y", "71":"y", "72":"y", "73":"y", "74":"y", "75":"y", "76":"y", "77":"y", "78":"y", "79":"y", "80":"y", "81":"y", "82":"y", "83":"y", "84":"y", "85":"y", "86":"y", "87":"y", "88":"y", "89":"y", "90":"y", "91":"y", "92":"y", "93":"y", "94":"y", "95":"y", "96":"y", "97":"y" }, "chrome":{ "4":"y", "5":"y", "6":"y", "7":"y", "8":"y", "9":"y", "10":"y", "11":"y", "12":"y", "13":"y", "14":"y", "15":"y", "16":"y", "17":"y", "18":"y", "19":"y", "20":"y", "21":"y", "22":"y", "23":"y", "24":"y", "25":"y", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y", "53":"y", "54":"y", "55":"y", "56":"y", "57":"y", "58":"y", "59":"y", "60":"y", "61":"y", "62":"y", "63":"y", "64":"y", "65":"y", "66":"y", "67":"y", "68":"y", "69":"y", "70":"y", "71":"y", "72":"y", "73":"y", "74":"y", "75":"y", "76":"y", "77":"y", "78":"y", "79":"y", "80":"y", "81":"y", "83":"y", "84":"y", "85":"y", "86":"y", "87":"y", "88":"y", "89":"y", "90":"y", "91":"y", "92":"y", "93":"y", "94":"y", "95":"y", "96":"y", "97":"y", "98":"y", "99":"y" }, "safari":{ "3.1":"a #1", "3.2":"a #1", "4":"y", "5":"y", "5.1":"y", "6":"y", "6.1":"y", "7":"y", "7.1":"y", "8":"y", "9":"y", "9.1":"y", "10":"y", "10.1":"y", "11":"y", "11.1":"y", "12":"y", "12.1":"y", "13":"y", "13.1":"y", "14":"y", "14.1":"y", "15":"y", "15.1":"y", "15.2":"y", "TP":"y" }, "opera":{ "9":"y", "9.5-9.6":"y", "10.0-10.1":"y", "10.5":"y", "10.6":"y", "11":"y", "11.1":"y", "11.5":"y", "11.6":"y", "12":"y", "12.1":"y", "15":"y", "16":"y", "17":"y", "18":"y", "19":"y", "20":"y", "21":"y", "22":"y", "23":"y", "24":"y", "25":"y", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y", "53":"y", "54":"y", "55":"y", "56":"y", "57":"y", "58":"y", "60":"y", "62":"y", "63":"y", "64":"y", "65":"y", "66":"y", "67":"y", "68":"y", "69":"y", "70":"y", "71":"y", "72":"y", "73":"y", "74":"y", "75":"y", "76":"y", "77":"y", "78":"y", "79":"y", "80":"y", "81":"y", "82":"y" }, "ios_saf":{ "3.2":"y", "4.0-4.1":"y", "4.2-4.3":"y", "5.0-5.1":"y", "6.0-6.1":"y", "7.0-7.1":"y", "8":"y", "8.1-8.4":"y", "9.0-9.2":"y", "9.3":"y", "10.0-10.2":"y", "10.3":"y", "11.0-11.2":"y", "11.3-11.4":"y", "12.0-12.1":"y", "12.2-12.5":"y", "13.0-13.1":"y", "13.2":"y", "13.3":"y", "13.4-13.7":"y", "14.0-14.4":"y", "14.5-14.8":"y", "15.0-15.1":"y", "15.2":"y" }, "op_mini":{ "all":"a #2" }, "android":{ "2.1":"a #1", "2.2":"a #1", "2.3":"a #1", "3":"y", "4":"y", "4.1":"y", "4.2-4.3":"y", "4.4":"y", "4.4.3-4.4.4":"y", "96":"y" }, "bb":{ "7":"y", "10":"y" }, "op_mob":{ "10":"y", "11":"y", "11.1":"y", "11.5":"y", "12":"y", "12.1":"y", "64":"y" }, "and_chr":{ "96":"y" }, "and_ff":{ "94":"y" }, "ie_mob":{ "10":"y", "11":"y" }, "and_uc":{ "12.12":"y" }, "samsung":{ "4":"y", "5.0-5.4":"y", "6.2-6.4":"y", "7.2-7.4":"y", "8.2":"y", "9.2":"y", "10.1":"y", "11.1-11.2":"y", "12.0":"y", "13.0":"y", "14.0":"y", "15.0":"y" }, "and_qq":{ "10.4":"y" }, "baidu":{ "7.12":"y" }, "kaios":{ "2.5":"y" } }, "notes":"For screen readers, IE, Chrome & Firefox support the [accessible canvas element sub-DOM](http://www.paciellogroup.com/blog/2012/06/html5-canvas-accessibility-in-firefox-13/).\r\nFirefox & Chrome also support the drawfocus ring.", "notes_by_num":{ "1":"Does not support `toDataURL()`", "2":"Opera Mini supports the canvas element, but is unable to play animations or run other more complex applications." }, "usage_perc_y":98.67, "usage_perc_a":1.11, "ucprefix":false, "parent":"", "keywords":"canvas,toDataURL()", "ie_id":"canvas", "chrome_id":"5100084685438976", "firefox_id":"", "webkit_id":"", "shown":true }
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