$(function() {
        var elements = ":input[type=text]:visible:enabled,select:visible:enabled,textarea:visible:enabled";
        $(":input[type=text], select, textarea").keypress(function(e) {
            if (this.type == "textarea") {
              return;
            }
            var c = e.which ? e.which : e.keyCode;
            if (c == 13) {
              var jqObjects = $(elements);
              var index = jqObjects.index(this);
              if (index == -1) {
                return;
              }
              if (e.shiftKey) {
                index--;
              } else {
                index++;
              }
              var size = jqObjects.size();
              index = index % size;
              jqObjects.eq(index).focus();
              e.preventDefault();
            }
        });
    });


{{category2 プログラミング言語,JavaScript}}