Data Types in Node.js #
There is Six Data Types that are primitives
BigInt and Symbol are rarely used and In fact I also don’t use it.
How to check the data types of variable ? #
typeof operator used in js to get the type of variable’s data. Let’s see some example and get more idea about the typeof operator.
> let pi = 3.14; undefined > typeof pi; 'number' >
> let elon = "SpaceX"; undefined > typeof elon; 'string' >
> let married = false; undefined > typeof married; 'boolean' >