Panel Field JS Boilerplate

panelfield.js

(function($) {

  $.fn.myfield = function() {

    return this.each(function() {

      var field = $(this);

      // avoid multiple inits
      if(field.data('myfield')) {
        return true;
      } else {
        field.data('myfield', true);
      }

      // your field plugin code 

    });

  };

})(jQuery);