tcdtist

function getPageTotal(offset, callback) {
  var req = new XMLHttpRequest();
  req.open(
    'GET',
    `https://shopee.vn/api/v4/order/get_all_order_and_checkout_list?limit=20&offset=${offset}`,
    true
  );
  req.onload = function() {
    if (req.status >= 200 && req.status < 300) {
      var response = JSON.parse(req.responseText);