pter-recommend ul") )

if( isTouch ){

chapterView

.on("touchstart MSPointerDown", ".config span", function(){

$(this).addClass("active");

})

.on("touchend MSPointerUp", ".config span", function(){

$(this).removeClass("active");

});

chapterView.on("touchend MSPointerUp", ".config span", action)

}else if( isMouse ){

chapterView.on("click", ".config span", action)

}

});