help!! this is for concepts of computer programming Length mile kilometer 1.61 inch millimeter 25.4 foot...

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help!! this is for concepts of computer programming
Length mile kilometer 1.61 inch millimeter 25.4 foot 0.3048 meter yard Area 0.9144 meter sq. ft 0.0929 sq. meter hectare 0.40

Length mile kilometer 1.61 inch millimeter 25.4 foot 0.3048 meter yard Area 0.9144 meter sq. ft 0.0929 sq. meter hectare 0.40

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Answer 1

Answer #1

HTML AND JS CODE

converter.html

<html>
<head>
   <title>Converter</title>
</head>
<body>
   <table style="width:600px;border-collapse: collapse;">
       <th>
           <h2>Length</h2>
       </th>
       <tr>
           <td><input type="number" id="i1">mile</td>
           <td><button id="b1" onclick="f1()">DOIT</button></td>
           <td><input type="number" id="i2">kilometer</td>
       </tr>
       <tr>
           <td><input type="number" id="i3">inch</td>
           <td><button id="b2" onclick="f2()">DOIT</button></td>
           <td><input type="number" id="i4">millimeter</td>
       </tr>
       <tr>
           <td><input type="number" id="i5">foot</td>
           <td><button id="b3" onclick="f3()">DOIT</button></td>
           <td><input type="number" id="i6">meter</td>
       </tr>
       <tr>
           <td><input type="number" id="i7">yard</td>
           <td><button id="b4" onclick="f4()">DOIT</button></td>
           <td><input type="number" id="i8">meter</td>
       </tr>
       <th>
           <h2>Area</h2>
       </th>
       <tr>
           <td><input type="number" id="i9">sq. ft.</td>
           <td><button id="b5" onclick="f5()">DOIT</button></td>
           <td><input type="number" id="i10">sq. meter</td>
       </tr>
       <tr>
           <td><input type="number" id="i11">acre</td>
           <td><button id="b6" onclick="f6()">DOIT</button></td>
           <td><input type="number" id="i12">hectare</td>
       </tr>
       <th>
           <h2>Volume</h2>
       </th>
       <tr>
           <td><input type="number" id="i13">gallon</td>
           <td><button id="b7" onclick="f7()">DOIT</button></td>
           <td><input type="number" id="i14">liter</td>
       </tr>
       <tr>
           <td><input type="number" id="i15">ounce</td>
           <td><button id="b8" onclick="f8()">DOIT</button></td>
           <td><input type="number" id='i16'>milliliter</td>
       </tr>
   </table>
   <script type="text/javascript">
       function f1()
       {
           var mile=document.getElementById("i1").value;
           var km=document.getElementById("i2").value;
           if(mile)
           {
               document.getElementById("i2").value=1.61*mile;
           }
           else if(km)
           {
               document.getElementById("i1").value=km/1.61;
           }
       }
       function f2()
       {
           var inch=document.getElementById("i3").value;
           var mm=document.getElementById("i4").value;
           if(inch)
           {
               document.getElementById("i4").value=25.4*inch;
           }
           else if(mm)
           {
               document.getElementById("i3").value=mm/25.4;
           }
       }
       function f3()
       {
           var foot=document.getElementById("i5").value;
           var meter=document.getElementById("i6").value;
           if(foot)
           {
               document.getElementById("i6").value=0.3048*foot;
           }
           else if(meter)
           {
               document.getElementById("i5").value=meter/0.3048;
           }
       }
       function f4()
       {
           var yard=document.getElementById("i7").value;
           var meter=document.getElementById("i8").value;
           if(yard)
           {
               document.getElementById("i8").value=0.3048*yard;
           }
           else if(meter)
           {
               document.getElementById("i7").value=meter/0.3048;
           }
       }
       function f5()
       {
           var sqf=document.getElementById("i9").value;
           var sqm=document.getElementById("i10").value;
           if(sqf)
           {
               document.getElementById("i10").value=0.0929*sqf;
           }
           else if(sqm)
           {
               document.getElementById("i9").value=sqm/0.0929;
           }
       }
       function f6()
       {
           var acre=document.getElementById("i11").value;
           var hectare=document.getElementById("i12").value;
           if(acre)
           {
               document.getElementById("i12").value=0.4047*acre;
           }
           else if(hectare)
           {
               document.getElementById("i11").value=hectare/0.4047;
           }
       }
       function f7()
       {
           var gallon=document.getElementById("i13").value;
           var liter=document.getElementById("i14").value;
           if(gallon)
           {
               document.getElementById("i14").value=3.785*gallon;
           }
           else if(liter)
           {
               document.getElementById("i13").value=liter/3.785;
           }
       }
       function f8()
       {
           var ounce=document.getElementById("i15").value;
           var ml=document.getElementById("i16").value;
           if(ounce)
           {
               document.getElementById("i16").value=29.5735*ounce;
           }
           else if(ml)
           {
               document.getElementById("i15").value=ml/29.5735;
           }
       }
   </script>
</body>
</html>

Output:

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