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.
var protocol = aWebSocket.protocol;
A
DOMString
.
| 规范 | 状态 | 注释 |
|---|---|---|
|
HTML 实时标准
The definition of 'WebSocket: protocol' in that specification. |
实时标准 | 初始定义 |
| 桌面 | 移动 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
协议
|
Chrome Yes | Edge 12 | Firefox Yes | IE ? | Opera Yes | Safari Yes | WebView Android Yes | Chrome Android Yes | Firefox Android Yes | Opera Android Yes | Safari iOS Yes | Samsung Internet Android Yes |
完整支持
兼容性未知
WebSocket