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notes/node_modules/caniuse-db/features-json/canvas.json

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{
"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":"http://diveintohtml5.info/canvas.html",
"title":"Another tutorial"
},
{
"url":"http://explorercanvas.googlecode.com/",
"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"
}
],
"bugs":[
{
"description":"The Android browser does not support clipping on HTML5 canvas. See the bug filed here: http://code.google.com/p/android/issues/detail?id=21099"
},
{
"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](http://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://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](http://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"
},
"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"
},
"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"
},
"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",
"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"
},
"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"
},
"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",
"53":"y"
},
"bb":{
"7":"y",
"10":"y"
},
"op_mob":{
"10":"y",
"11":"y",
"11.1":"y",
"11.5":"y",
"12":"y",
"12.1":"y",
"37":"y"
},
"and_chr":{
"56":"y"
},
"and_ff":{
"51":"y"
},
"ie_mob":{
"10":"y",
"11":"y"
},
"and_uc":{
"11":"y"
},
"samsung":{
"4":"y"
},
"and_qq":{
"1.2":"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":94.36,
"usage_perc_a":3.49,
"ucprefix":false,
"parent":"",
"keywords":"toDataURL()",
"ie_id":"canvas",
"chrome_id":"5100084685438976",
"firefox_id":"",
"webkit_id":"",
"shown":true
}
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