반응형 웹 할 때 pc,mobile 구분 (matchMedia)

const mediaSize = window.matchMedia('(min-width: 1024px)');
const changeMedia = function(e) {
    if (e.matches) {
        console.log('매치됨');
        $(".pc_only").css("display","block");
    }else{
        $(".pc_only").css("display","none");
    }
}
mediaSize.addListener(changeMedia);
changeMedia(mediaSize);