<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<style>
#it_dan {
width: 30px;
}
#mydiv {
height: 200px;
}
</style>
<script type="text/javascript">
function myclick(){
//선택
let sb_dan = document.querySelector('#sb_dan').value;
let mydiv = document.querySelector('#mydiv');
//값 비우기
mydiv.innerHTML=""
console.log(sb_dan);
for(let i=2; i <=9 ; i++){
mul = sb_dan *i
mydiv.innerHTML +=sb_dan+"*"+i+"=" +mul +"<br>"
}
}
</script>
<body>
EX03<br>
<table border="1px double">
<tr>
<td>출력 단수</td>
<td>
<select id="sb_dan">
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
</select>
</td>
</tr>
<tr>
<td colspan="2">
<input type="button" value="출력하기" onclick="myclick()">
</td>
</tr>
<tr>
<td colspan="2">
<div id="mydiv"></div>
</td>
</tr>
</table>
</body>
</html>
