Q:

Write A Program That Inputs An Encrypted Four-Digit Integer And Decrypts It To Form The Original Number

YasminRadwan26
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2022-06-01
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Write a program that inputs an encrypted four-digit integer and decrypts it to form the original number.

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YasminRadwan26
2022-06-01
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<html>
    <head>
        <title>q15</title>
        <script>
            function f1()
            {
                var a;
              var array={};  
              
              a=document.getElementById("t1").value;
              if(a>999 && a<10000)
              {
              for(var i=0;i<a.length;i++)
              {
                  if(a[i]==0)
                      document.writeln("m");
                  else if(a[i]==1)
                      document.writeln("a");
                  else if(a[i]==2)
                      document.writeln("u");
                     else if(a[i]==3)
                      document.writeln("p");
                     else if(a[i]==4)
                      document.writeln("e");
                       else if(a[i]==5)
                      document.writeln("o");
                     else if(a[i]==6)
                      document.writeln("w");
                       else if(a[i]==7)
                      document.writeln("t");
                     else if(a[i]==8)
                      document.writeln("b");
                       else if(a[i]==9)
                      document.writeln("k");}
                  
              }
              else
                  alert("input valid nnumber");
            }
        
           
    
            function f2()
            {
              var a;
              var array={};  
              
              a=document.getElementById("t1").value;
             
        { 
              for(var i=0;i<a.length;i++)
              {
                  if(a[i]=='m')
                      document.writeln("0");
                  else if(a[i]=='a')
                      document.writeln("1");
                  else if(a[i]=='u')
                      document.writeln("2");
                     else if(a[i]=='p')
                      document.writeln("3");
                     else if(a[i]=='e')
                      document.writeln("4");
                       else if(a[i]=='o')
                      document.writeln("5");
                     else if(a[i]=='w')
                      document.writeln("6");
                       else if(a[i]=='t')
                      document.writeln("7");
                     else if(a[i]=='b')
                      document.writeln("8");
                       else if(a[i]=='k')
                      document.writeln("9");
              }
                  
              }
          }
        </script>
    </head>
    <body>
        <label>number</label>
        <input type="text" name="" value="" id="t1" />
        <input type="submit" value="to encrypt" onclick="f1()" />
        <input type="submit" value="to decrypt" onclick="f2()"/>
    </body>
</html>

 

Output:

   

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