JavaScript Data types

Simply put, a data type in simply the type of data. It could be a string (eg. a username), an integer number (eg. population of people) or a floating-point number (eg. a student's GPA) and more. Each data type has a set of operations that can be performed on them. Just as you divide a number by another number (eg. 30/12) but cannot divide a name by a name. An operation is only valid as it is allowed by the data type.

JavaScript is a loosely or weakly typed language. This is simply because the data type of a variable or constant in known by its value. The table below shows the data types:

JavaScript Data types
1.	string
2.	number
3.	function
4.	boolean
5.	null
6.	undefined

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