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30-seconds-of-code/snippets/isObject.md
Isabelle Viktoria Maciohsek caa67e2a49 Update snippet descriptions
2020-10-20 23:02:01 +03:00

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title, tags
title tags
isObject type,object,beginner

Returns a boolean determining if the passed value is an object or not.

  • Uses the Object constructor to create an object wrapper for the given value.
  • If the value is null or undefined, create and return an empty object.
  • Οtherwise, return an object of a type that corresponds to the given value.
const isObject = obj => obj === Object(obj);
isObject([1, 2, 3, 4]); // true
isObject([]); // true
isObject(['Hello!']); // true
isObject({ a: 1 }); // true
isObject({}); // true
isObject(true); // false