Binary Converter

Uncle Jim's JavaScript Examples

Convert Numbers to Binary

Author: Jim Stiles

This program converts numbers into a binary format.
Simply enter the number of your choice and click the button
to see how that number is displayed as a binary number.

SCRIPT INSTALLATION

COPY - Insert Inside Body: <BODY></BODY>

<script type="text/JavaScript">
<!-- 
/*
 ______________________________________________________
/ЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇ\
|          Another JavaScript from Uncle Jim           |
|                                                      |
|   Feel free to copy, use and change this script as   |
|        long as this part remains unchanged.          |
|                                                      |
|      Visit my website at http://www.jdstiles.com     |
|           for more scripts like this one             |
|                                                      |
|                     Created: 1996                    |
|              Last Updated: December, 2005            |
\______________________________________________________/
 ЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇЇ
*/
function check() {
     dec = document.DecToBin.deci.value;
 
     if (dec == "")
         {alert("please insert decimal number first.");
          
         }
     else 
         {scan(dec);};
};

function scan(ok)
{
 var chr="1234567890";
 count=0;
 var ex;
 var h;var hasil=0;
 for(i=0;i<ok.length;i++)
      { ex=ok.charAt(i);
        for(f=0;f<10;f++)
           {h=chr.charAt(f);
            if(h==ex){hasil=hasil+1;};
            };
      };
     if (hasil != ok.length)
     {
       alert("put number only ->'1234567890' .");
       document.DecToBin.deci.value = "";
     }
     else{bnr();};
};

function bnr()
{
var dec=new Number(); dec=document.DecToBin.deci.value; i=dec;
var hit="";
 while(i >= 1)
 {
   var m=(i*10)/4;
   while(m > 1){m=m-5;};
   if(m < 0){i=(i-1)/2;hit+="1";}else{i=i/2;hit+="0";};
   
 };

var b ="";
var bin;
bin=hit.length;
for(a=hit.length;a>=0;a--)
  {
   b += hit.substring(a-1,a);
   };
document.DecToBin.deci.value=b;
if (b.length > 15){alert("the answer is longer than the textbox -> "+b)};
};
//--></script>
<CENTER><FORM name="DecToBin"><B>Insert Number:</B><BR>
<INPUT type=text name="deci" size=15>
<INPUT type="Button" value="convert!" onclick="check()"></FORM></CENTER><BR>
<hr align="center" width="60%">

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