Алексей

$mail = $_POST['mail '];
$password = $_POST['password '];

$mail = $_POST['mail'];
$password = $_POST['password'];

$(this).parent().html('<span class="c-item-qua-change">-</span> '+ countFood +' <span class="c-item-qua-change">+</span>');

function Save() {
  var arrow = document.getElementsByClassName('sf-feed')[0];
  if (arrow) {
    arrow.click();
    var saveV = document.getElementsByClassName('sf-menu-item')[0];
    saveV.click();
  } else {
    setTimeout(Save, 500);
  }
}

$(document).ready(function () {
  $('input#bdF1').replaceWith('<input id="bdF1" name="title" ...>');
});