Reverse_lookup
  • 18 May 2022
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Reverse_lookup

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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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