Check if something is a hexidecimal digit
npm install is-hex-digit> Check if something is a hexidecimal digit
``
$ npm install --save is-hex-digit
`js
var isHexDigit = require('is-hex-digit');
isHexDigit('f');
//=> true
isHexDigit('9');
//=> true
isHexDigit(9);
//=> true
``
MIT © Arthur Verschaeve