[jQuery] 레이어 팝업 바디 스크롤 고정

.frozen{overflow: hidden; position: fixed; width: 100%; height: 100%; left: 0px;}

var fn_frozenBody = function(pFrozenToggle) {

    var $body = $("body"),

      $dimmed = $(".dimmed");

    switch (pFrozenToggle) {

      case "on":

        $body.addClass('frozen');

        $dimmed.on("touchmove", function(e) {

          e.preventDefault()

        }); //device viewport lock

        break;

      case "off":

        $body.removeClass('frozen');

        $dimmed.unbind("touchmove", function(e) {

          e.preventDefault()

        }); //device viewport unlock

        break;

    }

  };

fn_frozenBody("on");

fn_frozenBody("off");