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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 asEvents + data inside the web page.

Concepts and usage

To learn how to use server-sent events, see our articleUsing server-sent events.

Interfaces

EventSource

Defines all the features that handle connecting to a server, receiving events/data, errors, closing a connection, etc.

Examples

Specifications

Specification
HTML
# server-sent-events

See also

Tools

Related Topics

Other resources

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