<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script>
$(function(){
$("#btn").on("click",function(){
var msg = $("#msg").val();
$(".box").html(msg);
$("#msg").val("");
})
})
</script>
<style>
div{
border: 1px solid black;
width: 200px;
height: 200px;
text-align: center;
line-height: 200px;
}
</style>
</head>
<body>
<input type="text" placeholder="메세지" id="msg">
<input type="button" value="이동" id="btn">
<div class="box"></div>
</body>
</html>