jQuery AJAX

$(function() {
            $('a#process').bind('click', function() {
                $("#result").text("Authenticating...");
                $.getJSON('/_login', {
                    username: $('input[name="username"]').val(),
                    password: $('input[name="password"]').val(),
                }, function(data) {
                    $("#result").text(data.username);
                });
                return false;
            });
      });