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JavaScript can't read file on the client side ... except if the file is included as another JavaScript file. For example, you might want each of your clients to have a file containing particular data, like their login and password, and then read it from your page in JavaScript to log them automatically to your site.
On each client side, create a file named for example "C:\data.js", containing :
login = "my login"; passwd = "my password";
Then include this client JavaScript file into your page:
<SCRIPT SRC="C:\data.js"></SCRIPT>
<SCRIPT>
alert("Your login is : " + login + "\nYour password is : " + passwd);
</SCRIPT>Submitted by Stephane Pepin
The following was submitted by Davidj
how to do it in vbscript -
Function CreateFile()
set fs = CreateObject("Scripting.FileSystemObject")
Set a = fs.CreateTextFile("C:\"mytextfile.epc", True)
a.WriteLine (form1.field1.value)
End Function