특정 요소(태그)를 삭제하는 방법
document.body.removeChild(태그이름);
=============================코드=============================
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
onload = () => {
let header2 = document.querySelector("#header_2");
// 특정 요소(태그)를 삭제하는 방법
document.body.removeChild(header2);
}
</script>
</head>
<body>
<h1 id = "header_1">HEADER1</h1>
<h1 id = "header_2">HEADER2</h1>
</body>
</html>=============================실행=============================
삭제한 이후
