์ฌ๊ฐํ ๋์ด ๊ณ์ฐ
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>์ฌ๊ฐํ ๋๋น ๊ตฌํ๊ธฐ</title>
</head>
<body>
<script>
var width = prompt("๊ฐ๋ก ๊ธธ์ด๋ฅผ ์
๋ ฅํ์ธ์.");
var height = prompt("์ธ๋ก ๊ธธ์ด๋ฅผ ์
๋ ฅํ์ธ์");
var area = width * height;
alert("์ฌ๊ฐํ์ ๋์ด๋ " + area + "์
๋๋ค");
</script>
</body>
</html>
ํ ์ธ ๊ฐ๊ฒฉ ๊ณ์ฐ ํ๋ก๊ทธ๋จ
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>ํ ์ธ ๊ฐ๊ฒฉ ๊ตฌํ๊ธฐ</title>
</head>
<body>
<div id="contents">
<ul>
<li>
<label for="oPrice">์๋ ๊ฐ๊ฒฉ</label>
<input type="text" id="oPrice">์
</li>
<li>
<label for="rate">ํ ์ธ์จ</label>
<input type="text" id="rate">%
</li>
<li>
<button onclick="showPrice()">ํ ์ธ ๊ฐ๊ฒฉ ๊ณ์ฐํ๊ธฐ</button>
</li>
</ul>
<div id="showResult"></div>
</div>
<script>
function showPrice(){
var originPrice = document.querySelector('#oPrice').value;
var rate = document.querySelector('#rate').value;
var savedPrice = originPrice * (rate / 100);
var resultPrice = originPrice - savedPrice;
document.querySelector('#showResult').innerHTML =
`${originPrice}์์์ ${rate}%๊ฐ ํ ์ธ๋์ด ${savedPrice}์ ์ ๋ ดํ ${resultPrice}์์ ๊ตฌ๋งคํ ์ ์์ต๋๋ค`;
}
</script>
</body>
</html>