<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Title</title>
<script src ="./1.js" ></script>
<style>
</style>
</head>
<body>
<ul class = "list1">
<li>html</li>
<li>css</li>
<li>jquery</li>
</ul>
<ul class = "list2">
<li>html</li>
<li>css</li>
<li>jquery</li>
</ul>
<button type="button" id="btn">변경 </button>
</body>
<script>
console.log($(".list1").html());
const htmlstr = `<li>java</li><li>oracle</li><li>javascript</li>`
$("#btn").on("click",()=>{
$(".list2").html(htmlstr)
});
//list2 ui의 하위태그 삭제하고 새로운 태그 생성
</script>
</html>
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