JavaScript Tutorial in Hindi #4 | Data Types & GitHub Setup (2025)

Primitive Data Types

  1. String,
  2. Number,
  3. Boolean,
  4. null,
  5. undefined,
  6. BigInt,
  7. Symbol


Reference Data Type

  1. Object (Collection of key-value pairs)
  2. Array (Ordered list of values)
  3. Function (Reusable code block)