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....(简体) 正體中文 (繁體) Note: This feature is available in Web Workers...EventSource Defines all the features that handle connecting to...