generates a random hexadecimal number. in javascript code example

Example: random hexadecimal character js

const genRanHex = size => [...Array(size)].map(() => Math.floor(Math.random() * 16).toString(16)).join('');

console.log(genRanHex(6));
console.log(genRanHex(12));
console.log(genRanHex(3));