{
  "title":"CSS position:sticky",
  "description":"Keeps elements positioned as \"fixed\" or \"relative\" depending on how it appears in the viewport. As a result the element is \"stuck\" when necessary while scrolling.",
  "spec":"https://drafts.csswg.org/css-position/#sticky-pos",
  "status":"unoff",
  "links":[
    {
      "url":"http://updates.html5rocks.com/2012/08/Stick-your-landings-position-sticky-lands-in-WebKit",
      "title":"HTML5Rocks"
    },
    {
      "url":"https://developer.mozilla.org/en-US/docs/Web/CSS/position",
      "title":"MDN article"
    },
    {
      "url":"http://docs.webplatform.org/wiki/css/properties/position",
      "title":"WebPlatform Docs"
    },
    {
      "url":"https://github.com/filamentgroup/fixed-sticky",
      "title":"Polyfill"
    },
    {
      "url":"https://github.com/wilddeer/stickyfill",
      "title":"Another polyfill"
    }
  ],
  "bugs":[
    {
      "description":"Firefox and Safari 7 & below do not appear to support [sticky table headers](http://jsfiddle.net/Mf4YT/2/). (see also [Firefox bug](https://bugzilla.mozilla.org/show_bug.cgi?id=975644))"
    },
    {
      "description":"A parent with overflow set to `auto` will prevent `position: sticky` from working in Safari"
    }
  ],
  "categories":[
    "CSS"
  ],
  "stats":{
    "ie":{
      "5.5":"n",
      "6":"n",
      "7":"n",
      "8":"n",
      "9":"n",
      "10":"n",
      "11":"n"
    },
    "edge":{
      "12":"n",
      "13":"n",
      "14":"n"
    },
    "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 d #1",
      "27":"n d #1",
      "28":"n d #1",
      "29":"n d #1",
      "30":"n d #1",
      "31":"n d #1",
      "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"
    },
    "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 d #2",
      "24":"n d #2",
      "25":"n d #2",
      "26":"n d #2",
      "27":"n d #2",
      "28":"n d #2",
      "29":"n d #2",
      "30":"n d #2",
      "31":"n d #2",
      "32":"n d #2",
      "33":"n d #2",
      "34":"n d #2",
      "35":"n d #2",
      "36":"n d #2",
      "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 d #2",
      "53":"n d #2",
      "54":"n d #2",
      "55":"n d #2",
      "56":"y",
      "57":"y"
    },
    "safari":{
      "3.1":"n",
      "3.2":"n",
      "4":"n",
      "5":"n",
      "5.1":"n",
      "6":"n",
      "6.1":"y x",
      "7":"y x",
      "7.1":"y x",
      "8":"y x",
      "9":"y x",
      "9.1":"y x",
      "10":"y x",
      "TP":"y x"
    },
    "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 d #2",
      "40":"n d #2",
      "41":"n d #2",
      "42":"n d #2",
      "43":"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":"y x",
      "7.0-7.1":"y x",
      "8":"y x",
      "8.1-8.4":"y x",
      "9.0-9.2":"y x",
      "9.3":"y x",
      "10-10.1":"y x"
    },
    "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",
      "53":"n"
    },
    "bb":{
      "7":"n",
      "10":"n"
    },
    "op_mob":{
      "10":"n",
      "11":"n",
      "11.1":"n",
      "11.5":"n",
      "12":"n",
      "12.1":"n",
      "37":"n"
    },
    "and_chr":{
      "54":"n"
    },
    "and_ff":{
      "50":"y"
    },
    "ie_mob":{
      "10":"n",
      "11":"n"
    },
    "and_uc":{
      "11":"n"
    },
    "samsung":{
      "4":"n"
    }
  },
  "notes":"",
  "notes_by_num":{
    "1":"Can be enabled in Firefox by setting the about:config preference layout.css.sticky.enabled to true",
    "2":"Enabled through the \"experimental Web Platform features\" flag"
  },
  "usage_perc_y":18.05,
  "usage_perc_a":0,
  "ucprefix":false,
  "parent":"",
  "keywords":"",
  "ie_id":"positionsticky",
  "chrome_id":"6190250464378880",
  "firefox_id":"",
  "webkit_id":"feature-position:-sticky",
  "shown":true
}