Value is object

OSCC · JavaScript, Type, Object · Jan 7, 2021

Checks 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.
  • Otherwise, 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

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