AMR/node_modules/caniuse-db/features-json/cors.json

{
  "title":"Cross-Origin Resource Sharing",
  "description":"Method of performing XMLHttpRequests across domains",
  "spec":"https://fetch.spec.whatwg.org/#http-cors-protocol",
  "status":"ls",
  "links":[
    {
      "url":"https://hacks.mozilla.org/2009/07/cross-site-xmlhttprequest-with-cors/",
      "title":"Mozilla Hacks blog post"
    },
    {
      "url":"https://msdn.microsoft.com/en-us/library/cc288060(VS.85).aspx",
      "title":"Alternative implementation by IE8"
    },
    {
      "url":"https://dev.opera.com/articles/view/dom-access-control-using-cross-origin-resource-sharing/",
      "title":"DOM access using CORS"
    },
    {
      "url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-cors-xhr",
      "title":"has.js test"
    },
    {
      "url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS",
      "title":"MDN Web Docs - Access control CORS"
    }
  ],
  "bugs":[
    {
      "description":"IE10+ does not send cookies when withCredential=true ([IE Bug #759587](https://web.archive.org/web/20140424050520/https://connect.microsoft.com/IE/feedback/details/759587/ie10-doesnt-support-cookies-on-cross-origin-xmlhttprequest-withcredentials-true)). A workaround is [to use a P3P policy](https://www.techrepublic.com/blog/software-engineer/craft-a-p3p-policy-to-make-ie-behave/)"
    },
    {
      "description":"IE10+ does not make a CORS request if port is the only difference ([IE Bug #781303](https://web.archive.org/web/20150522040248/https://connect.microsoft.com/IE/feedback/details/781303))"
    },
    {
      "description":"Android and some old versions of WebKit (that may be found in various webview implementations) do not support Access-Control-Expose-Headers: https://code.google.com/p/android/issues/detail?id=56726"
    },
    {
      "description":"IE11 does not appear to support CORS for images in the `canvas` element"
    }
  ],
  "categories":[
    "JS API",
    "Security"
  ],
  "stats":{
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    "safari":{
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      "4":"a #1 #3",
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      "6":"y #3",
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      "7.1":"y #3",
      "8":"y #3",
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      "15.1":"y #3",
      "15.2-15.3":"y #3",
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    "opera":{
      "9":"n",
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      "10.0-10.1":"n",
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      "11":"n",
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      "6.0-6.1":"y #3",
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      "4":"a #1",
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      "4.4":"y",
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    "op_mob":{
      "10":"n",
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      "12":"y",
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      "10":"a #1",
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  },
  "notes":"",
  "notes_by_num":{
    "1":"Does not support CORS for images in `<canvas>`",
    "2":"Supported somewhat in IE8 and IE9 using the XDomainRequest object (but has [limitations](https://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx))",
    "3":"Does not support CORS for `<video>` in `<canvas>`: https://bugs.webkit.org/show_bug.cgi?id=135379",
    "4":"Does not support CORS for resources which redirect: https://bugzilla.mozilla.org/show_bug.cgi?id=1346749"
  },
  "usage_perc_y":96.51,
  "usage_perc_a":0.31,
  "ucprefix":false,
  "parent":"",
  "keywords":"",
  "ie_id":"",
  "chrome_id":"",
  "firefox_id":"",
  "webkit_id":"",
  "shown":true
}