// Variables: var integral; // Represent integral part of digit number.
var decimal; // Represent decimal part of digit number. var outputCharacters; // The output result. var parts; var digits, radices, bigRadices, decimals; var zeroCount; var i, p, d; var quotient, modulus;
// Validate input string: currencyDigits = currencyDigits.toString(); if (currencyDigits == "") { alert("Empty input!"); return ""; } if (currencyDigits.match(/[^,.\d]/) != null) { alert("Invalid characters in the input string!"); return ""; } if ((currencyDigits).match(/^((\d{1,3}(,\d{3})*(.((\d{3},)*\d{1,3}))?)(\d+(.\d+)?))$/) == null) { alert("Illegal format of digit number!"); return ""; }
// Normalize the format of input digits: currencyDigits = currencyDigits.replace(/,/g, ""); // Remove comma delimiters. currencyDigits = currencyDigits.replace(/^0+/, ""); // Trim zeros at the beginning. // Assert the number is not greater than the maximum number. if (Number(currencyDigits) > MAXIMUM_NUMBER) { alert("Too large a number to convert!"); return ""; }
// http://www.knowsky.com/ Process the coversion from currency digits to characters: // Separate integral and decimal parts before processing coversion: parts = currencyDigits.split("."); if (parts.length > 1) { integral = parts[0]; decimal = parts[1]; // Cut down redundant decimal digits that are after the second. decimal = decimal.substr(0, 2);