primitive-reference-types

JavaScript - Primitive & Reference types

• Primitive type values: The values are directly stored in the stack along with the name as reference.

  • string
  • number
  • boolean
  • null
  • undefined
  • symbol
  • bigint

• Reference type values: The values are stored in heap first, then reference of the heap along with the variable name would be stored in stack.

  • Objects
  • Arrays
  • Functions
  • Dates
  • Times etc..