Height Converter

Javascript

Height Converter

HiroDaegu 2022. 5. 17. 00:18

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<!DOCTYPE html>
<html lang="ko">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>HEIGHT CONVERTER</title>
  <link rel="stylesheet" href="style.css">
  <script defer src="main.js"></script>
</head>
<body>
  <div class="container">
    <h1>Height Converter</h1>
    Cm
    <input type="text" id="cm">
    <br>
    <input type="submit" id="submit" value="Convert to Feet & Inch">
    <input type="submit" id="reset" value="Reset">
    <br>
    <div id="result">
      <div id="result_alert"></div>
      <div id="result_feet"></div>
      <div id="result_inches"></div>
    </div>
  </div>
</body>
</html>

.container {
  width: 375px;
  height: 280px;
  margin: 65px 0 0 350px;
  background-color: #000;
  padding-left: 30px;
  color: #FFF;
}

h1 {
  padding: 25px 0 0 15px;
}

#cm{
  width: 150px;
  height: 25px;
  margin: 30px 0 0 15px;
}

#result_alert {
  width: 100%;
  float: left;
  font-size: 35px;
  margin-top: 5px;
  text-align: center;
  color: #CC3333;
}

#result_feet, #result_inches {
  width: 50%;
  float: left;
  font-size: 35px;
  margin-top: 5px;
  text-align: center;
  color: #FFF;
}

#submit {
  width: 250px;
  height: 35px;
  margin: 25px 0 0 20px;
  border-radius: 5px;
  border-style: none;
  background-color: #F00;
  color: #FFF;
  font-size: 20px;
}

#reset {
  width: 70px;
  height: 35px;
  margin: 25px 0 0 5px;
  border-radius: 5px;
  border-style: none;
  background-color: #0F0;
  color: #FFF;
  font-size: 20px;
}

document.getElementById("submit").addEventListener("click", heightConverter);
document.getElementById("reset").addEventListener("click", reset);

function heightConverter() {
  let cm = parseInt(document.getElementById("cm").value);

  if(!cm) {
    document.getElementById("result_alert").innerHTML = 'Write a value, please';
    setTimeout(() => {document.getElementById("result_alert").innerHTML = '';}, 2000);
    return false;
  }

  let feet = cm * 0.0328084;
  let inch = cm * 0.393701;
  let n = feet.toFixed(0);
  let m = inch.toFixed(0);

  document.getElementById("result_feet").innerHTML = `${n}feet`;
  document.getElementById("result_inches").innerHTML = `${m}inch`;
}

function reset() {
  document.getElementById("result_feet").innerHTML = '';
  document.getElementById("result_inches").innerHTML = '';
}

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