How to check if a number in js

- How to check if a number js prime
- How to check if a number is even in js
- How to check if something is a number in js
- How to check if a number is integer in js
- How to check if a number is negative in js
- How to check if a string is number in js
- How to check if a number is float in js
- How to check if a number is nan in js
- How to check if a number is odd in js
- How to check if a number is whole in js
- How to check if input is a number in js
- How to check if variable is a number in js
- How to check if number is int js
- How to check if a number is positive in js
- How to check if character is a number in js