{
  "title":"Server-sent events",
  "description":"Method of continuously sending data from a server to the browser, rather than repeatedly requesting it (EventSource interface, used to fall under HTML5)",
  "spec":"https://html.spec.whatwg.org/multipage/comms.html#server-sent-events",
  "status":"ls",
  "links":[
    {
      "url":"https://www.html5rocks.com/tutorials/eventsource/basics/",
      "title":"HTML5 Rocks tutorial"
    },
    {
      "url":"http://samshull.blogspot.com/2010/10/ajax-push-in-ios-safari-and-chrome-with.html",
      "title":"Blog post with demo"
    },
    {
      "url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-eventsource",
      "title":"has.js test"
    },
    {
      "url":"https://github.com/Yaffle/EventSource",
      "title":"Polyfill"
    }
  ],
  "bugs":[
    {
      "description":"Reportedly, CORS in EventSource is currently supported in Firefox 10+, Opera 12+, Chrome 26+, Safari 7.0+."
    },
    {
      "description":"In Firefox prior to version 36 server-sent events do not reconnect automatically in case of a connection interrupt ([bug](https://bugzilla.mozilla.org/show_bug.cgi?id=831392))"
    },
    {
      "description":"Firefox 52 and below do not support [EventSource in web/shared workers](https://bugzilla.mozilla.org/show_bug.cgi?id=1267903)"
    },
    {
      "description":"Antivirus software may block the event streaming data chunks."
    }
  ],
  "categories":[
    "JS API"
  ],
  "stats":{
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      "6":"n",
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    "edge":{
      "12":"n",
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      "14":"n",
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      "16":"n",
      "17":"n"
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    "firefox":{
      "2":"n",
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      "6":"y",
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    },
    "chrome":{
      "4":"n",
      "5":"n",
      "6":"y",
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      "10":"y",
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    },
    "android":{
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      "2.3":"n",
      "3":"n",
      "4":"n",
      "4.1":"n",
      "4.2-4.3":"n",
      "4.4":"y",
      "4.4.3-4.4.4":"y",
      "62":"y"
    },
    "bb":{
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    },
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      "10":"a",
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      "11.1":"y",
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      "37":"y"
    },
    "and_chr":{
      "64":"y"
    },
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      "57":"y"
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    },
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    },
    "samsung":{
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    },
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    },
    "baidu":{
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  },
  "notes":"",
  "notes_by_num":{
    
  },
  "usage_perc_y":89.52,
  "usage_perc_a":0.03,
  "ucprefix":false,
  "parent":"",
  "keywords":"serversent,s-sent-events,server sent events,server side events",
  "ie_id":"serversenteventseventsource",
  "chrome_id":"5311740673785856",
  "firefox_id":"",
  "webkit_id":"",
  "shown":true
}