Thursday, March 26, 2020

Inches To Centimeter Converter in JavaScript

I wrote this program to accept values in inches and then convert it into centimeter values using JavaScript programming language.

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Sample Program Output


Program Listing

index.htm

<hmtl>
<head>
  <title>Inches To Centimeter Converter in JavaScript</title>
 </head>
 <style>
   body {
    font-family:arial;
    size:12px;
  }
 </style>
<body onload="init()">
  <p>Inches To Centimeter Converter in JavaScript</p>
  <table cellspacing="6">
    <tr valign="top">
      <td><input id="inch" size="20" onfocus="reset()" /><br />Inches</td>
      <td><input type="button" value="Ok" onclick="convert()" title="Click here to convert" /></td>
      <td><input id="cm" size="20" onfocus="reset()" /><br />Centimeter</td>
      <td><input type="button" value="Clear All" onclick="reset()" title="Click here to clear the text box." /></td>
    </tr>
  </table>
  <script>
  
  var inf, cmf;

function init(){
  inf = document.getElementById('inch');
  cmf = document.getElementById('cm');
}

function reset(){
  inf.value = "";
  cmf.value = "";
}

function convert(){
  var i = inf.value.replace(/ /, "");
  if (i){
    cmf.value = i * 2.54;
  }
  
  var c = cmf.value.replace(/ /, "");
  if (c){
    inf.value = c / 2.54;
  }
}

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



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