Answers for "generate random hex js"

js random hex color

'#'+Math.floor(Math.random()*16777215).toString(16);

random color in javascript

var randomColor = Math.floor(Math.random()*16777215).toString(16);

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));