Javascript - Primitive Data Type

Javascript has 6 primitive data type.

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

Except for null and undefined, all primitive values have object equivalents that wrap around the primitive values. See Data Type - Boxing (Autoboxing|Autowrapping) and Primitive Wrapper

• String for the string primitive.
• Number for the number primitive.
• Boolean for the Boolean primitive.
• Symbol for the Symbol primitive.

The wrapper's valueOf() method returns the primitive value.

• https://developer.mozilla.org/en-US/docs/Glossary/Primitive