$(document).ready(() => {
    let username = 'e';
    let password = 'e';
    let result = '';
    $('#ff').submit(() => {
        username = document.loginform.uname.value;
        password = document.loginform.pword.value;
        result = `Username: ${username}\nPassword: ${password}`;
        $('#result').text(result);
    });
    $('#sub').click(() => {
        $('#ff').submit();
    });
});