How to better check data types in javascript

How to better check data types in javascript banner image

To check what data type something has in javascript is not always the easiest. The language itself provides an operator called typeof for that which works in a straightforward way. Typeof returns a string of what a values data type is, so for an object "object" is returned and for a string "string". However javascripts..

Numbers and operators in javascript

Numbers In many programming languages working with numbers can be quite complicated. There are actually many different data types that needs to be remembered and set for each of the programs numbers. For instance integers must be declared with int, floating numbers with float. And then there's smallint, tinyint, double etc. A variable holding an..