demo.js

demo.js

  if (input.value) {
    realmName = customConnection; //'Custom-DB'
} if else {
    realmName = ADConnection;
} else {
  realmName = databaseConnection;
}

          webAuth.login(
              {
                realm: realmName,
                username: username,
                password: password,
                protocol: "samlp",
              },
              function (err) {
                if (err) {
                    displayError(err);
                  }
                }
              }