Number to Bin Converter Using Javascript.zip

<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> <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> <p align="center"><font face="arial" size="5">This free script provided by</font><br> <font face="arial, helvetica" size="5"><a href="http://sourcecodester.com">Sourcecodester.com</a></font></p>