JavaScript/InchToCm.html at master · BBoBBoM/JavaScript · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
        const input = prompt('inch 단위의 숫자를 입력해주세요~')
        const inch = Number(input)
        const cm = inch * 2.54
        alert(`${inch}inch는 ${cm}cm 입니다.`)


      const cminput = prompt("cm를 inch로 바꿔드립니다 cm를 입력하세요")
      const inch1 = Number(cminput)
      const inchoutput = inch1 * 0.393701
      alert(`${cminput}cm는 ${inchoutput}inch 입니다.`);


      const cminput1 = prompt("cm를 inch로 바꿔드립니다 cm를 입력하세요2222")
      const inchoutput2 = cminput1 * 0.393701
      alert(`${cminput1}cm는 ${inchoutput2}inch 입니다2222.`);

    </script>
  </body>
</html>