This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Obsolete since Gecko 51 (Firefox 51 / Thunderbird 51 / SeaMonkey 2.48)
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
Opens a chat window, anchored to the bottom of the browser window. Each chat window is typically a one-on-one chat, but this functionality may vary depending on the provider.
- The URL to which to open the chat connection.
- An object to receive callback notifications on the connection. The callback receives as an input a reference to the chat window. See Implementing chat functionality for details.
Not part of any specification.
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