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DataSnapshot.val() method

Extracts a JavaScript value from a DataSnapshot.

Depending on the data in a DataSnapshot, the val() method may return a scalar type (string, number, or boolean), an array, or an object. It may also return null, indicating that the DataSnapshot is empty (contains no data).

Signature:

val(): any;

Returns:

any

The DataSnapshot's contents as a JavaScript value (Object, Array, string, number, boolean, or null).