![]() †: IE 8+ supports 1, which isĮssentially a modified AJAX/XHR that can do requests acrossĭomains. Supported transports, by browser (html served from or Browser Multiple subdomains, using a different subdomain for every If you absolutely must do it, you can use Opening more than one SockJS connection at a time is generally aīad practice. Would most likely block, and can result in both sessions timing out. Opening a second SockJS session at the same time Requires those two connections - one for downloading data, the other for This limitation is caused by an in-browser limit of outgoingĬonnections - usually browsers don't allow opening more than two Open more than one SockJS connection to a single domain at a time. Important SockJS limitation is the fact that you're not allowed to This setting will establish a minimum,īut if the calculated timeout is higher, that will be used.Īlthough the 'SockJS' object tries to emulate the 'WebSocket'īehaviour, it's impossible to support all of its features. Specify a minimum timeout in milliseconds to use for the transport connections.īy default this is dynamically calculated based on the measured RTT and String generator to generate 8-character long session ids. If you don't specify this option, the default is to use the default random Id it will call this function and use the returned string directly. Every time SockJS needs to generate a session When you specify this option as a function, the function must return a ![]() (where N corresponds to the number specified by sessionId). Generator function to generate session ids that are N-character long If you specify this option as a number, SockJS will use its random string ![]() By default all available transports will be used.īoth client and server use session identifiers to distinguish connections. Option allows you to supply a list transports that may be used by Sometimes it is useful to disable some fallback transports. String to append to url for actual data connection. Where options is a hash which can contain: Url may contain a query string, if one is desired. Var sockjs = new SockJS ( url, _reserved, options ) NET port of the SockJS clientīut instead of WebSocket there is a SockJS Javascript object.įirst, you need to load the SockJS JavaScript library.
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