" let dataLiqPay = result.successResponse.dataResponse['data'];
let signatureLiqPay = result.successResponse.dataResponse['signature'];
let form = document.createElement('form');
form.action = '
https://www.liqpay.ua/api/3/checkout';
form.method = 'POST';
form.innerHTML = ' <input type="hidden" name="data" value="'+dataLiqPay+'"/>\n' +
' <input type="hidden" name="signature" value="'+signatureLiqPay+'"/>';
// before sending the form, it must be inserted into the document
document.body.append(form);
form.submit();"