Data types in Javascript,Data Types,Java script data types

Data types: Javascript support all data types.

Standard data types :

Standard data types used to assign only one value to variable. We have mainly three types of data types in standard data types.

They are :

• Number-It allow integer and floating numbers.
• String-any content placed with in ‘ ‘ or “ “.
• Boolean-It allow only values true,flase.

Compound data types:

Compound data types assign multiple values to single variable. Compound data types are

• Array
• Object

Special data types : these data types are supported by only JS. They are

• Undefined
• Null 

Typeof : It is a built in function in javascript, it written the data types of a variable.

Syntax : (typeof(array name));