Charcode helpers

charcode.js

function toCharcodes(str)
{
    var codestring = '';
    var comma = '';
    
    for(var i = 0; i < str.length; i++)
    {
        comma = (i === str.length-1) ? '' : ',';
        codestring += str.charCodeAt(i) + comma;   
    }
    
    return codestring;
}

function charcodesToString(charcodesAsStringOrArrayOrArguments)
{
    var codetype = null;
    var returnstr = '';
    
    if(arguments.length > 1)
    {
        codetype = 'arguments';
    }
    else if(charcodesAsStringOrArrayOrArguments.constructor === Array)
    {
        codetype = 'array';   
    }
    else if(charcodesAsStringOrArrayOrArguments.constructor === String)
    {
        codetype = 'string';   
    }
    else
    {
        codetype = 'unknown';
        console.log('Could not resolve charcodetype');
        return;
    }
    
    switch(codetype)
    {
        case 'arguments':
            for (var i = 0; i < arguments.length; i++) 
            {
                returnstr += String.fromCharCode(arguments[i]);
            }
            break;
            
        case 'array':
            for (var i = 0; i < charcodesAsStringOrArrayOrArguments.length; i++) 
            {
                returnstr += String.fromCharCode(charcodesAsStringOrArrayOrArguments[i]);
            }
            break;
            
        case 'string':
            var arr = charcodesAsStringOrArrayOrArguments.replace(/[[:space:]]/g, '').split(',');
            for (var i = 0; i < arr.length; i++) 
            {
                returnstr += String.fromCharCode(arr[i]);
            }
            break;
            
        default:
            break;
    }

    return returnstr;
}

var c1 = toCharcodes('document.write("test1");');
var c2 = toCharcodes('document.write("test2");');  
var c3 = toCharcodes('document.write("test3");');

console.log(c1);
console.log(c2);
console.log(c3);

console.log(charcodesToString(c1.split(',')));
console.log(charcodesToString(100,111,99,117,109,101,110,46,119,114,105,116,101,40,34,116,101,115,116,50,34,41,59));
console.log(charcodesToString(c3));