{
  "title":"Online/offline status",
  "description":"Events to indicate when the user's connected (`online` and `offline` events) and the `navigator.onLine` property to see current status.",
  "spec":"https://html.spec.whatwg.org/multipage/browsers.html#browser-state",
  "status":"ls",
  "links":[
    {
      "url":"https://developer.mozilla.org/en-US/docs/Web/API/NavigatorOnLine.onLine#Specification",
      "title":"MDN article"
    }
  ],
  "bugs":[
    
  ],
  "categories":[
    "JS API"
  ],
  "stats":{
    "ie":{
      "5.5":"n",
      "6":"n",
      "7":"n",
      "8":"a #2",
      "9":"y",
      "10":"y",
      "11":"y"
    },
    "edge":{
      "12":"y",
      "13":"y",
      "14":"y"
    },
    "firefox":{
      "2":"n",
      "3":"n",
      "3.5":"y",
      "3.6":"y",
      "4":"a #3",
      "5":"a #3",
      "6":"a #3",
      "7":"a #3",
      "8":"a #3",
      "9":"a #3",
      "10":"a #3",
      "11":"a #3",
      "12":"a #3",
      "13":"a #3",
      "14":"a #3",
      "15":"a #3",
      "16":"a #3",
      "17":"a #3",
      "18":"a #3",
      "19":"a #3",
      "20":"a #3",
      "21":"a #3",
      "22":"a #3",
      "23":"a #3",
      "24":"a #3",
      "25":"a #3",
      "26":"a #3",
      "27":"a #3",
      "28":"a #3",
      "29":"a #3",
      "30":"a #3",
      "31":"a #3",
      "32":"a #3",
      "33":"a #3",
      "34":"a #3",
      "35":"a #3",
      "36":"a #3",
      "37":"a #3",
      "38":"a #3",
      "39":"a #3",
      "40":"a #3",
      "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":"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"
    },
    "safari":{
      "3.1":"n",
      "3.2":"n",
      "4":"n",
      "5":"y",
      "5.1":"y",
      "6":"y",
      "6.1":"y",
      "7":"y",
      "7.1":"y",
      "8":"y",
      "9":"y",
      "9.1":"y",
      "10":"y",
      "TP":"y"
    },
    "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":"a",
      "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"
    },
    "ios_saf":{
      "3.2":"u",
      "4.0-4.1":"u",
      "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",
      "10-10.1":"y"
    },
    "op_mini":{
      "all":"n"
    },
    "android":{
      "2.1":"u",
      "2.2":"u",
      "2.3":"y",
      "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":"a #1",
      "10":"y"
    },
    "op_mob":{
      "10":"n",
      "11":"n",
      "11.1":"n",
      "11.5":"n",
      "12":"n",
      "12.1":"n",
      "37":"y"
    },
    "and_chr":{
      "54":"y"
    },
    "and_ff":{
      "50":"y"
    },
    "ie_mob":{
      "10":"y",
      "11":"y"
    },
    "and_uc":{
      "11":"a #1"
    },
    "samsung":{
      "4":"y"
    }
  },
  "notes":"\"online\" does not always mean connection to the internet, it can also just mean connection to some network.\r\n\r\nEarly versions of Chrome and Safari always reported \"true\" for `navigator.onLine`",
  "notes_by_num":{
    "0":"Safari 7.0 supports only the event listener on `window`, and not on `document.body`",
    "1":"Seems to support `navigator.onLine` but not `online`/`offline` events.",
    "2":"IE8 only supports the `online`/`offline` events on `document.body`, rather than `window`.",
    "3":"Desktop Firefox responds to the status of its \"Work Offline\" mode. If not in that mode, `navigator.onLine` is always `true`, regardless of the actual network connectivity status. [See bug](https://bugzilla.mozilla.org/show_bug.cgi?id=654579) for details."
  },
  "usage_perc_y":83.65,
  "usage_perc_a":10.05,
  "ucprefix":false,
  "parent":"",
  "keywords":"",
  "ie_id":"",
  "chrome_id":"",
  "firefox_id":"",
  "webkit_id":"",
  "shown":true
}