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Underscore.js _.findKey() Function

Last Updated : 25 Nov, 2021
The _.findKey() function is used to return the key value where the predicate logic or condition returns the truth value or undefined. The predicate function/condition is transformed through iteratee to facilitate shorthand syntaxes. Syntax:
_.findKey(object, predicate, [context])
Parameters: This function accept three parameters as mentioned above and described below:
  • list: This parameter is used to hold the list of items.
  • predicate: This parameter is used to hold the truth condition.
  • context: The text content which need to be display. It is optional parameter.
Return Value: It returns the key value where the predicate logic or condition returns truth or undefined. Example 1: Output: 👁 Image
Example 2:
Output: 👁 Image
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