[Javascript] Cookies smell good!
Peter Brunone
peter at brunone.com
Thu May 24 13:20:43 CDT 2001
Can't you just use another cookie?
----- Original Message -----
From: "Steve Hearne" <steve.hearne at mvc-ent.co.uk>
To: <javascript at LaTech.edu>
Sent: Thursday, May 24, 2001 12:01 PM
Subject: [Javascript] Cookies smell good!
Yeah!
That works fine - i put in;
var cookiestring=document.cookie
and i'm on my way to grabbing the portion i want. Now, I'd like to be able
to save this info. so that i can use it later on. I suppose that i can't
save it as a cookie because this document already has a cookie - the one i
grabbed the info. from. So - can i save it, or refer to it from future
pages? Unfortunately, i can't do any ASP stuff yet because this page MUST
be HTML - the Portal software dictates this.
Any ideas please?
Thanks again for all the help so far btw.
Steve
>>> peter at brunone.com 05/24/01 04:56PM >>>
Oops.
This script returns the asterisk character (change it to something else and
see).
<SCRIPT LANGUAGE="JavaScript">
// the string to parse
var cookiestring = "|usrsvr*booga|";
// find the beginning of "usrsvr" and then go to the end
var position = cookiestring.indexOf("usrsvr") + "usrsvr".length;
// use the substr function, feeding it the start position and the desired
length of the result
alert(cookiestring.substr(position,1));
</SCRIPT>
----- Original Message -----
From: "Steve Hearne" <steve.hearne at mvc-ent.co.uk>
To: <javascript at LaTech.edu>
Sent: Thursday, May 24, 2001 10:28 AM
Subject: [Javascript] Half-baked cookies
Okay - i admit it, i'm cheating. My JavaScript is a bit poor....Could you
please, please, please give me a bit of code?
I know that immediately previous to the item i want to grab in the string is
the value ;
....<ESC?>usrsvr<ESC?>
After this is the username of the peson who is logged into the machine (this
cookie is made by portal software - and this seems to be the only way which
i can retrieve the users name). So, i imagine that i need the following
code;
for j=1 to len of the cookie string
if mid(cookiestring,j,6)="usrsvr" then
username=mid(cookiestring,j+7,10) // this assumes that the username is
10 chars long, i can cut it out better later on
end if
next j
But i'm really not sure how to do this in JavaScript.
Please help if you can,
Steve
>>> peter at brunone.com 05/24/01 04:10PM >>>
Can you suck in one of those unknown values by grabbing one that has a
known position in the string? Then you could just walk your way through the
string based on the wacky delimiters (which I think was your objective
anyway).
----- Original Message -----
From: "Steve Hearne" <steve.hearne at mvc-ent.co.uk>
To: <javascript at LaTech.edu>
Sent: Thursday, May 24, 2001 9:48 AM
Subject: [Javascript] Burnt cookies
Phew. I wouldn't have thought cookies could be so haaaaaard! Please help me
as i am struggling.
I would like to read the 20th item in a cookie when a user hits the page
which generates that cookie.
The items appear to be separated with ''ESC' characters (they appear as
black squares in Notepad) but I am not to sure.
Any help gratefully received.
Thanks,
Steve
>>> steve.hearne at mvc-ent.co.uk 05/24/01 03:00PM >>>
Thanks for the help so far. I've just realised that, because my page is
split into 3 frames, i'm not sure which of these frames will have access to
the URL - if any?
Steve
>>> gassinaumasis at hotmail.com 05/23/01 04:24PM >>>
>http://servername/servlet/WebClient/main?user=stevehearne&pass=mypassword&s
erver=127.0.0.1
>
>Now, when a user has to,for instance fill out a form, then I'd really like
>to be able to know what their username is...Can i parse this URL with
>JavaScript once they've arrived at the homepage in order to discover their
>username?
Sure
var x = location.search;
var y =new Array();
y = x.split('&');
Now the array y contains the name/value pairs of the query string. To find
the user name, do
for (i=0;i<y.length;i++)
{
if (y[i].indexOf('user') == 0)
{
var z = new Array();
z = y[i].split('=');
username = z[1];
}
}
and the username is in variable 'username'.
ppk
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