JavaScript
35일차//Javascript// 10진수 ->2,8,16진수 변환
aesup
2021. 3. 3. 19:08
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
10진수 -> 2, 8, 16진수 변환
<br>
10진수 : <input type="text" id="num" size="20">
<button type="button" onclick="func()">변환</button>
<br><br>
결과:<p id="result"></p>
<script type="text/javascript">
function func() {
let num = parseInt(document.getElementById("num").value);
// alert(num);
let num2 = num.toString(2);
let num8 = num.toString(8);
let num16 = num.toString(16);
let pObj = document.getElementById("result");
let result = '2진수:' + num2 + ' 8진수:' + num8 + " 16진수:" + num16;
pObj.innerHTML = result;
}
</script>
</body>
</html>
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