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deltaepsilon/how-to-firebase-3-two-ref-join.js

Created November 2, 2016 00:57
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how-to-firebase-3-two-ref-join.js
var userRef = ref.child(‘users/’ + userId);
var userTransactionsRef = ref.child(‘transactions/’ + userId);
Promise.all([
 userRef.once(‘value’),
 userTransactionsRef.once(‘value’)
]).then(function (snaps) {
 var user = snaps[0].val();
 var userTransactions = snaps[1].val();
});
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