{ "title":"Feature Policy", "description":"This specification defines a mechanism that allows developers to selectively enable and disable use of various browser features and APIs. Feature Policy is deprecated and has been replaced with [Permissions Policy](#feat=permission-policy) and [Document Policy](#feat=document-policy).", "spec":"https://www.w3.org/TR/2019/WD-feature-policy-1-20190416/", "status":"wd", "links":[ { "url":"https://feature-policy-demos.appspot.com/", "title":"Feature Policy Kitchen Sink Demos" }, { "url":"https://developers.google.com/web/updates/2018/06/feature-policy", "title":"Introduction to Feature Policy" }, { "url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1390801", "title":"Firefox implemention ticket" }, { "url":"https://chrome.google.com/webstore/detail/feature-policy-tester-dev/pchamnkhkeokbpahnocjaeednpbpacop", "title":"Feature Policy Tester (Chrome DevTools Extension)" }, { "url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/33507907-support-feature-policy", "title":"MS Edge feature suggestion" }, { "url":"https://featurepolicy.info/", "title":"featurepolicy.info (Feature-Policy Playground)" }, { "url":"https://github.com/w3c/webappsec-feature-policy/blob/master/features.md", "title":"List of known features" } ], "bugs":[ ], "categories":[ "JS API", "Other", "Security" ], "stats":{ "ie":{ "5.5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"n", "11":"n" }, "edge":{ "12":"n", "13":"n", "14":"n", "15":"n", "16":"n", "17":"n", "18":"n", "79":"y", "80":"y", "81":"y", "83":"y", "84":"y" }, "firefox":{ "2":"n", "3":"n", "3.5":"n", "3.6":"n", "4":"n", "5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"n", "11":"n", "12":"n", "13":"n", "14":"n", "15":"n", "16":"n", "17":"n", "18":"n", "19":"n", "20":"n", "21":"n", "22":"n", "23":"n", "24":"n", "25":"n", "26":"n", "27":"n", "28":"n", "29":"n", "30":"n", "31":"n", "32":"n", "33":"n", "34":"n", "35":"n", "36":"n", "37":"n", "38":"n", "39":"n", "40":"n", "41":"n", "42":"n", "43":"n", "44":"n", "45":"n", "46":"n", "47":"n", "48":"n", "49":"n", "50":"n", "51":"n", "52":"n", "53":"n", "54":"n", "55":"n", "56":"n", "57":"n", "58":"n", "59":"n", "60":"n", "61":"n", "62":"n", "63":"n", "64":"n", "65":"n", "66":"n", "67":"n", "68":"n", "69":"n", "70":"n", "71":"n", "72":"n", "73":"n", "74":"a #2", "75":"a #2", "76":"a #2", "77":"a #2", "78":"a #2", "79":"a #2", "80":"a #2", "81":"a #2", "82":"a #2" }, "chrome":{ "4":"n", "5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"n", "11":"n", "12":"n", "13":"n", "14":"n", "15":"n", "16":"n", "17":"n", "18":"n", "19":"n", "20":"n", "21":"n", "22":"n", "23":"n", "24":"n", "25":"n", "26":"n", "27":"n", "28":"n", "29":"n", "30":"n", "31":"n", "32":"n", "33":"n", "34":"n", "35":"n", "36":"n", "37":"n", "38":"n", "39":"n", "40":"n", "41":"n", "42":"n", "43":"n", "44":"n", "45":"n", "46":"n", "47":"n", "48":"n", "49":"n", "50":"n", "51":"n", "52":"n", "53":"n", "54":"n", "55":"n", "56":"n", "57":"n", "58":"n", "59":"n", "60":"a #1", "61":"a #1", "62":"a #1", "63":"a #1", "64":"a #1", "65":"a #1", "66":"a #1", "67":"a #1", "68":"a #1", "69":"a #1", "70":"a #1", "71":"a #1", "72":"a #1", "73":"a #1", "74":"y", "75":"y", "76":"y", "77":"y", "78":"y", "79":"y", "80":"y", "81":"y", "83":"y", "84":"y", "85":"y", "86":"y #4", "87":"y #4", "88":"y #4" }, "safari":{ "3.1":"n", "3.2":"n", "4":"n", "5":"n", "5.1":"n", "6":"n", "6.1":"n", "7":"n", "7.1":"n", "8":"n", "9":"n", "9.1":"n", "10":"n", "10.1":"n", "11":"n", "11.1":"a #2 #3", "12":"a #2 #3", "12.1":"a #2 #3", "13":"a #2 #3", "13.1":"a #2 #3", "14":"a #2 #3", "TP":"a #2 #3" }, "opera":{ "9":"n", "9.5-9.6":"n", "10.0-10.1":"n", "10.5":"n", "10.6":"n", "11":"n", "11.1":"n", "11.5":"n", "11.6":"n", "12":"n", "12.1":"n", "15":"n", "16":"n", "17":"n", "18":"n", "19":"n", "20":"n", "21":"n", "22":"n", "23":"n", "24":"n", "25":"n", "26":"n", "27":"n", "28":"n", "29":"n", "30":"n", "31":"n", "32":"n", "33":"n", "34":"n", "35":"n", "36":"n", "37":"n", "38":"n", "39":"n", "40":"n", "41":"n", "42":"n", "43":"n", "44":"n", "45":"n", "46":"n", "47":"a #1", "48":"a #1", "49":"a #1", "50":"a #1", "51":"a #1", "52":"a #1", "53":"a #1", "54":"a #1", "55":"a #1", "56":"a #1", "57":"a #1", "58":"a #1", "60":"a #1", "62":"y", "63":"y", "64":"y", "65":"y", "66":"y", "67":"y", "68":"y", "69":"y", "70":"y" }, "ios_saf":{ "3.2":"n", "4.0-4.1":"n", "4.2-4.3":"n", "5.0-5.1":"n", "6.0-6.1":"n", "7.0-7.1":"n", "8":"n", "8.1-8.4":"n", "9.0-9.2":"n", "9.3":"n", "10.0-10.2":"n", "10.3":"n", "11.0-11.2":"n", "11.3-11.4":"a #2 #3", "12.0-12.1":"a #2 #3", "12.2-12.4":"a #2 #3", "13.0-13.1":"a #2 #3", "13.2":"a #2 #3", "13.3":"a #2 #3", "13.4-13.5":"a #2 #3", "14.0":"a #2 #3" }, "op_mini":{ "all":"n" }, "android":{ "2.1":"n", "2.2":"n", "2.3":"n", "3":"n", "4":"n", "4.1":"n", "4.2-4.3":"n", "4.4":"n", "4.4.3-4.4.4":"n", "81":"y" }, "bb":{ "7":"n", "10":"n" }, "op_mob":{ "10":"n", "11":"n", "11.1":"n", "11.5":"n", "12":"n", "12.1":"n", "46":"n" }, "and_chr":{ "84":"y" }, "and_ff":{ "79":"a #2" }, "ie_mob":{ "10":"n", "11":"n" }, "and_uc":{ "12.12":"n" }, "samsung":{ "4":"n", "5.0-5.4":"n", "6.2-6.4":"n", "7.2-7.4":"n", "8.2":"a #1", "9.2":"a #1", "10.1":"a #1", "11.1-11.2":"y", "12.0":"y" }, "and_qq":{ "10.4":"a #1" }, "baidu":{ "7.12":"n" }, "kaios":{ "2.5":"n" } }, "notes":"Standard support includes the HTTP `Feature-Policy` header, `allow` attribute on iframes and the `document.featurePolicy` JS API.", "notes_by_num":{ "1":"Older Chromium browsers did not support the JS API.", "2":"Safari and Firefox only supports the `allow` attribute on iframes.", "3":"Safari doesn't support a [list of origins](https://bugs.webkit.org/show_bug.cgi?id=189901) or a [wildcard](https://bugs.webkit.org/show_bug.cgi?id=187816).", "4":"Supports [Permissions Policy](#feat=permissions-policy), the main replacement for this spec." }, "usage_perc_y":71.05, "usage_perc_a":19.32, "ucprefix":false, "parent":"", "keywords":"feature,security,header,allow,attribute,allow attribute,attribute allow,feature-policy,document.featurePolicy,document.policy", "ie_id":"", "chrome_id":"5694225681219584,5190687460950016", "firefox_id":"feature-policy", "webkit_id":"", "shown":true }