Reverse_lookup
- 18 May 2022
- 1 Minute to read
- DarkLight
- PDF
Reverse_lookup
- Updated on 18 May 2022
- 1 Minute to read
- DarkLight
- PDF
Article Summary
Given a value and a target object, returns the key under which the given value is stored in the object. If multiple keys match the given value, the first key is returned.
Function signature
REVERSE_LOOKUP(object: Object, value: String|Number|Boolean|Array|Object) => String
| Parameter | Description |
|---|---|
| Object | Object whose key will be get |
| Value | Value to find key |
Examples
animal = {"name":"dog","weight":123,"active":false,"children":0}
| Formula | Return value |
|---|---|
REVERSE_LOOKUP(animal, 123) | weight |
REVERSE_LOOKUP(animal, false) | active |
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