Data Types

• Data types built into or "there by default" or "stuff already in the JS universe"...

• Ask: Why are data types necessary?

• JavaScript doesn't allow creating true new data types, but is extend via OBJECTS

Built in Data Types

• Number (integers, floats, NaN, Infinity)

• String (text in quotes)

• Boolean (true/false)

• Undefined (declared but unassigned)

• Null (intentional absence of value)

• Symbol (unique identifiers)

• BigInt (large integers)

• Object (collections of properties)

• Array (ordered collections)

• Function (callable objects)

• Date

References

Data typesiliakan