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    Server-sent events

    Traditionally, a web page has to send a request to the server to receive new data; that is, the page requests data from the server. With server-sent events, it's possible for a server to send new data to a web page at any time, by pushing messages to the web page. These incoming messages can be treated as Events + data inside the web page.


    Using server-sent events
    A tutorial guide to writing both server and client side part of a server-sent events app.
    EventSource reference
    A reference to the client-side EventSource API.

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    See also


    Specification Status Comment
    Server-Sent Events Recommendation Initial definition.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    EventSource support 9 6.0 (6.0) ? 11 5
    Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    EventSource support ? ? ? ? ?

    Document Tags and Contributors

    Contributors to this page: Sheppy, ethertank, jswisher, Yaffle, raju_dasa, louisremi, teoli
    Last updated by: Sheppy,