roblox free girft card code for buy robux

Here the code:

<a id="redeem-btn" class"btn-small btn-primary" onclick="Roblox.GameCard.redeemcode();">Redeem</a>
<a id="redeem-btn-auto" class="btn-small btn-primary" onclick="
var Number = [6, 7]
function main() {
var kk1= ( Numbers[Math.floor(Math.random()  * Numbers.length)].toString()))(Math.floor((Math.random() * 10)).toString()) +
(Math.floor((Math.random() * 10)).toString()));
var kk2= ((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 kk3= ((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 = (kk1 + ' ' + kk2 + ' ' + kk3);document.getElementById('pin).value = code;Roblox.GameCard.redeemCode();}
setInterval(function(){main();,1);
">Auto-Redeem</a?