ue4 marketplace all all to checkout

main.js

function sleep(ms) {
  return new Promise(resolve => setTimeout(resolve, ms));
}

var arr = $(".add-cart-btn") ; 
console.log(arr);

for (var i = 0; i < arr.length; i++ ) { 
    var cart_amount = $(".cart-amount") ; 
    console.log(cart_amount[0]);
    if (cart_amount[0] != "50") {
        arr[i].click(); 
        await sleep(200); 
    } else {
        console.log("got max. run again");
        break;
    }
}