[Math.round(Math.random() * (chars.length - 1))]
[Math.round(Math.random() * (chars.length - 1))]
[Math.round(Math.random() * (chars.length - 1))]
[Math.round(Math.random() * (chars.length - 1))]
[Math.round(Math.random() * (chars.length - 1))]
[Math.round(Math.random() * (chars.length - 1))]