类：Sender
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最后更新时间 (UTC)：2025-07-25。
[null,null,["最后更新时间 (UTC)：2025-07-25。"],[[["\u003cp\u003eThe \u003ccode\u003ecast.framework.system.Sender\u003c/code\u003e class provides static data about a connected sender device.\u003c/p\u003e\n"],["\u003cp\u003eA Sender object includes properties like \u003ccode\u003eid\u003c/code\u003e, \u003ccode\u003euserAgent\u003c/code\u003e, and \u003ccode\u003elargeMessageSupported\u003c/code\u003e to identify and describe the sender.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003elargeMessageSupported\u003c/code\u003e indicates whether the sender can handle messages larger than 64KB, and is \u003ccode\u003etrue\u003c/code\u003e if supported.\u003c/p\u003e\n"]]],[],null,["# Class: Sender\n\ncast.[framework](/cast/docs/reference/web_receiver/cast.framework).[system](/cast/docs/reference/web_receiver/cast.framework.system).Sender\n===========================================================================================================================================\n\nclass static\n\nThis represents the data of a connected sender device.\n\nConstructor\n-----------\n\n### Sender\n\nnew\nSender()\n\nProperties\n----------\n\n### id\n\nstring\n\nThe sender ID.\n\n### largeMessageSupported\n\n(boolean or undefined)\n\n`true` indicates that the sender supports large messages (\\\u003e64KB).\n\n### userAgent\n\nstring\n\nThe sender `userAgent`."]]