jQuery Toggle Selection

toggle-selection.js

var $formChoice = $('.gh-form-choice');
  $('#typesOfStudy').on('change', function () {
    var value = $(this).val();
    if (value !== '') {
      var formToShown = '.gh-form-' + value;
      $formChoice.not(formToShown).slideUp(400, function () {
        $(formToShown).slideDown();
      });
    } else {
      $formChoice.slideUp();
    }
  });