nextElementSibling 예제
<ul>
<li id="site">홈짱닷컴</li>
<li id="host">Homzzang.com</li>
</ul>
<button onclick="homzzang()">클릭</button>
<p id="demo"></p>
<script>
function homzzang() {
var x = document.getElementById("site").nextElementSibling.innerHTML;
document.getElementById("demo").innerHTML = x;
}
</script>
결과보기