WebSocket.protocol - Web API 接口参考 编辑

WebSocket.protocol 是个只读属性，用于返回服务器端选中的子协议的名字；这是一个在创建WebSocket 对象时，在参数protocols中指定的字符串，当没有已建立的链接时为空串。

语法

var protocol = aWebSocket.protocol;

返回值

DOMString.

规范

Specification	Status	Comment
HTML Living Standard WebSocket: protocol	Living Standard	Initial definition

浏览器兼容性

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The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.