This program coverts Decimal number to binary, hexadecimal and octal.
Follow these Instructions or You can simply download source code below:
Html Code
<b>Insert Decimal Number: </b><input type = "text" name = "deci" id = "deci" size = "15" maxlength = "15" /> <input type="button" value="Convert!" onclick="dec2bin()" /> <br><br> <div id = "result"></div>
JS Code
<script type = "text/javascript"> function dec2bin() { var x = document.getElementById("deci").value; if ((/[^0-9]/g.test(x)) || x == "") { alert ("You must enter an integer decimal number!"); document.getElementById("deci").value = ""; document.getElementById("deci").focus(); return false; } x = parseInt(x); var bin = x.toString(2); var hex = x.toString(16).toUpperCase(); var octal = x.toString(8); var figs = "The Binary Representation of " + x + " is " + bin + "<br>"; figs = figs + "The HexaDecimal Representation of " + x + " is " + hex + "<br>"; figs = figs + "The Octal Representation of " + x + " is " + octal + "<br>"; document.getElementById("result").innerHTML = figs; } </script>