Lowercase vs UpperCase Object

This lesson will teach you how to differentiate between object and Object.

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Lowercase object #

With TypeScript 2.2, the lowercase object type was born. The lowercase object type contains all types that are not primitive. It’s easy to confuse this with the uppercase Object, which every kind of object has in common. Here is a list of the types that are not an object:

  1. undefined
  2. null
  3. number
  4. string
  5. Boolean
  6. symbol

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