Firebase push() collections item key, when is it generated?

Question

Firebase push() collections item key, is it generated immediately on client side or after sync done?

eg this code:

var messageListRef = new Firebase('https://SampleChat.firebaseIO-demo.com/message_list');
messageListRef.push({ 'user_id': 'fred', 'text': 'Yabba Dabba Doo!' });

And if immediately generated on client side, how can i acquire it immediately? without using callback

Use are using legacy version. Just check the doc https://www.firebase.com/docs/ — Libu Mathew, Oct 06 '16 at 17:52

score 2 · Accepted Answer · edited May 23 '17 at 12:24

2

Firebase's push ids are generated client-side. That's why they continue to work when you're not connected to the server.

See:

edited May 23 '17 at 12:24

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answered Oct 06 '16 at 17:57

Frank van Puffelen

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Firebase push() collections item key, when is it generated?

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