How to convert decimal to hexadecimal in JavaScript

Question

How do you convert decimal values to their hexadecimal equivalent in JavaScript?

Answer 1

Here's a trimmed down ECMAScript 6 version:

const convert = {
  bin2dec : s => parseInt(s, 2).toString(10),
  bin2hex : s => parseInt(s, 2).toString(16),
  dec2bin : s => parseInt(s, 10).toString(2),
  dec2hex : s => parseInt(s, 10).toString(16),
  hex2bin : s => parseInt(s, 16).toString(2),
  hex2dec : s => parseInt(s, 16).toString(10)
};

convert.bin2dec('111'); // '7'
convert.dec2hex('42');  // '2a'
convert.hex2bin('f8');  // '11111000'
convert.dec2bin('22');  // '10110'