<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script src="/Lecture-WEB/jquery/js/jquery-3.5.1.min.js"></script>
<script>
$(document).ready(function(){
$('#btn01').click(function(){
//$('img').before('<strong>안뇽</strong>')
//$('img').after('<strong>안뇽</strong>')
//여러 개의 형제 태그를 추가하자
$('img').after('<em>after</em>', '<b>뒤</b>')
})
})
</script>
</head>
<body>
<h1>Hello</h1>
<img src = "https://t1.daumcdn.net/daumtop_chanel/op/20170315064553027.png">
<h2>Good bye</h2>
<button id = "btn01">보튼</button>
</body>
</html>