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かんたん標準体重計算
Developer バファリンヌ｜Date and time 23/10/21 15:29:54
Build time 26.4 sec｜Game capacity 1.161KB｜

Script

標準体重計算

身長(cm)：

性別：男性女性

標準体重： kg

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<!DOCTYPE html>
<html lang="ja">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>標準体重計算</title>
</head>

<body>
  <h1>標準体重計算</h1>
  <p>身長(cm)：<input type="number" id="height"></p>
  <p>性別：
    <input type="radio" id="male" name="gender" value="male" checked>
    <label for="male">男性</label>
    <input type="radio" id="female" name="gender" value="female">
    <label for="female">女性</label>
  </p>
  <p>標準体重：<span id="result"></span> kg</p>
  <button onclick="calculate()">計算する</button>
  <script>
    function calculate() {
      var height = parseFloat(document.getElementById("height").value);
      var gender = document.querySelector('input[name="gender"]:checked').value;
      
      var standardWeight;
      
      if (gender === "male") {
        standardWeight = (height / 100)**2 * 22;
      } else {
        standardWeight = (height / 100)**2 * 22;
      }
      
      document.getElementById("result").textContent = standardWeight.toFixed(1);
    }
  </script>
</body>

</html>