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Phone Number Converter
Converts an alphanumeric phone number (like 1800Flowers.com) to its numeric phone number (like 18003569377). An excellent example of the JavaScript switch() function in use. Great!
Alphanumeric #:
Converted #:
Insert into <HEAD>
<SCRIPT LANGUAGE="JavaScript"> <!-- Begin function convert(input) { var inputlength = input.length; input = input.toLowerCase(); var phonenumber = ""; for (i = 0; i < inputlength; i++) { var character = input.charAt(i); switch(character) { case '0': phonenumber+="0";break; case '1': phonenumber+="1";break; case '2': phonenumber+="2";break; case '3': phonenumber+="3";break; case '4': phonenumber+="4";break; case '5': phonenumber+="5";break; case '6': phonenumber+="6";break; case '7': phonenumber+="7";break; case '8': phonenumber+="8";break; case '9': phonenumber+="9";break; case '-': phonenumber+="-";break; case 'a': case 'b': case 'c': phonenumber+="2";break; case 'd': case 'e': case 'f': phonenumber+="3";break; case 'g': case 'h': case 'i': phonenumber+="4";break; case 'j': case 'k': case 'l': phonenumber+="5";break; case 'm': case 'n': case 'o': phonenumber+="6";break; case 'p': case 'q': case 'r': case 's': phonenumber+="7";break; case 't': case 'u': case 'v': phonenumber+="8";break; case 'w': case 'x': case 'y': case 'z': phonenumber+="9";break; } } document.myform.number.value = phonenumber; return true; } // End --> </script>
Insert into <BODY>
<center> <form name=myform> <table border=0> <tr> <td>Alphanumeric #:</td> <td><input type=text size=20 maxlength=20 name=alphabet value="1800Flowers"></td> </tr> <tr> <td>Converted #:</td> <td><input type="text" size=20 maxlength=20 name="number"></td> </tr> <tr> <td align=center colspan=2><input type=button value="Convert" onClick="return convert(document.myform.alphabet.value)"></td> </table> </form> </center>
Other Options