httpstatus.js

switch (Math.floor(HTTPStatus / 100)) {
    case 1:
        // Informational 1xx
        console.log("Information code " + vMsg);
        break;
    case 2:
        // Successful 2xx
        console.log("Successful code " + vMsg);
        break;
    case 3:
        // Redirection 3xx
        console.log("Redirection code " + vMsg);
        break;
    case 4:
        /* Client Error 4xx */
        alert("Client Error #" + vMsg);
        break;
    case 5:
        /* Server Error 5xx */
        alert("Server Error #" + vMsg);
        break;
    default:
        /* Unknown status */
        ajaxError();
}