getAttribute() 예제
<style>
.hz { color: red;}
</style>
<h1 class="hz">홈짱닷컴 Homzzang.com</h1>
<button onclick="homzzang()">클릭</button>
<p id="demo"></p>
<script>
function homzzang() {
var x = document.getElementsByTagName("H1")[0].getAttribute("class");
document.getElementById("demo").innerHTML = x;
}
</script>
결과보기
결과값: hz