New Technologies in Web Development: April 2008

Tuesday, April 15, 2008

How to Save and read Files from javascript?

<html><head>
<SCRIPT LANGUAGE='JavaScript'>
var password='theirpassword';
var name='username';

function WriteToFile() {
var filename = 'c://temp.txt';
var fso = new ActiveXObject('Scripting.FileSystemObject');
if (fso.FileExists(filename)) {
var a, ForAppending, file;
ForAppending = 8;
file = fso.OpenTextFile(filename, ForAppending, false);
file.WriteLine(name);
file.WriteLine(password);
}
else {
var file = fso.CreateTextFile(filename, true);
file.WriteLine(password);
file.WriteLine(name);
}
file.Close();
}

function ReadIt() {
var filename = 'c://temp.txt';
if (confirm('Do you want to see what we put on your computer?')) {
var fso, a, ForReading;
ForReading = 1;
fso = new ActiveXObject('Scripting.FileSystemObject');
file = fso.OpenTextFile(filename, ForReading, false);
var name = file.readline();
var password = file.readline();
file.Close();
document.write(name + '<br>');
document.write(password);
}
}
</SCRIPT>
</head>
<body onload='WriteToFile();ReadIt()'>
</body>
</html>