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Firebase: Get the parent of a snapshot.
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function getParent(snapshot) { | |
// You can get the reference (A Firebase object) from a snapshot | |
// using .ref(). | |
var ref = snapshot.ref(); | |
// Now simply find the parent and return the name. | |
return ref.parent().name(); | |
} | |
var testRef = new Firebase("https://example.firebaseIO-demo.com/foo/bar"); | |
testRef.once("value", function(snapshot) { | |
// Should alert "Name of the parent: foo". | |
alert("Name of the parent: " + getParent(snapshot)); | |
}); |
how to retrieve parent using a collection of children firestore web app
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thank you in advance