response.statusText=“OK” but falls into error callback from ajax with jQuery

Question

Server side:

 ....
    $_SESSION[\'accountId\'] = $accountId;
    $_SESSION[\'type\'] = $_POST[\'accountType\'];
    echo \'1\';
    return;

<

Answer 1

It might be a good idea to specify a URL option:

$.ajax(
{
    url:'foo.php',
    type:'POST',
    ...