jquery dom 요소 추가 insertAdjacentHTML

const btnMoreInfo = document.querySelector("button.more-info");
btnMoreInfo.addEventListener("click", () => {
  var content = document.querySelector("div.more-info");
  let html = "<h4 class='color-primary'>더 알아보기 콘텐츠입니다</h4>";
  html += "<strong>중요 공지</strong>";
  content.insertAdjacentHTML("beforeend", html);
});