WebSocket.protocol

The WebSocket.protocol read-only property returns the name of the sub-protocol the server selected; this will be one of the strings specified in the protocols parameter when creating the WebSocket object, or the empty string if no connection is established.

Syntax

var protocol = aWebSocket.protocol;

Value

Specifications

Specification Status Comment
HTML Living Standard
The definition of 'WebSocket: protocol' in that specification.
Living Standard Initial definition

Browser compatibility

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