1 letters = new Array("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z");

     2 numbers = new Array(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26);

     3 colors  = new Array("FF","CC","99","66","33","00");

     4 

     5 var endResult;

     6 

     7 function doTest()

     8 {

     9    endResult = "";

    10 

    11    // make up email address

    12    for (var k=0;k<4000;k++)

    13    {

    14       name = makeName(6);

    15       (k%2)?email=name+"@mac.com":email=name+"(at)mac.com";

    16 

    17       // validate the email address

    18       var pattern = /^[a-zA-Z0-9\-\._]+@[a-zA-Z0-9\-_]+(\.?[a-zA-Z0-9\-_]*)\.[a-zA-Z]{2,3}$/;

    19 

    20       if(pattern.test(email))

    21       {

    22          var r = email + " appears to be a valid email address.";

    23          addResult(r);

    24       }

    25       else

    26       {

    27          r = email + " does NOT appear to be a valid email address.";

    28          addResult(r);

    29       }

    30    }

    31 

    32    // make up ZIP codes

    33    for (var s=0;s<4000;s++)

    34    {

    35       var zipGood = true;

    36       var zip = makeNumber(4);

    37       (s%2)?zip=zip+"xyz":zip=zip.concat("7");

    38 

    39       // validate the zip code

    40       for (var i = 0; i < zip.length; i++) {

    41           var ch = zip.charAt(i);

    42           if (ch < "0" || ch > "9") {

    43               zipGood = false;

    44               r = zip + " contains letters.";

    45               addResult(r);

    46           }

    47       }

    48       if (zipGood && zip.length>5)

    49       {

    50          zipGood = false;

    51          r = zip + " is longer than five characters.";

    52          addResult(r);

    53       }

    54       if (zipGood)

    55       {

    56          r = zip + " appears to be a valid ZIP code.";

    57          addResult(r);

    58       }

    59    }

    60 }

    61 

    62 function makeName(n)

    63 {

    64    var tmp = "";

    65    for (var i=0;i<n;i++)

    66    {

    67       var l = Math.floor(26*Math.random());

    68       tmp += letters[l];

    69    }

    70    return tmp;

    71 }

    72 

    73 function makeNumber(n)

    74 {

    75    var tmp = "";

    76    for (var i=0;i<n;i++)

    77    {

    78       var l = Math.floor(9*Math.random());

    79       tmp = tmp.concat(l);

    80    }

    81    return tmp;

    82 }

    83 

    84 function addResult(r)

    85 {

    86    endResult += "\n" + r;

    87 }

    88 

    89 doTest();