MegaSena.js

let generateRandom = _ => {
  return (~~(Math.random() * 60)) + 1
}

let generateMegaSenaResult = _ => {
  let result = [];
  
  while (result.length < 6) {
    let number = generateRandom();
    
    if(result.indexOf(number) < 0) {
      result.push(number);
    }
  }

  return result.sort((a, b) => {
    return a - b;
  }).join(', ');
}

console.log(generateMegaSenaResult());