Detect If User Has Authenticated
Oct 26, 2006
How can Javascript code detect if a user has been authenticated to see
a page, that is, if he has entered a username and password for HTTP
authentification to see the current page. Possibly that can be
determined from the HTTP request header, but how to access this data
for the current page in Javascript?
Plus: how can it detect if the current page is encrypted? Is looking at
the protocol ( https:// ) enough to determine this?
I need it to work in a Firefox extension and why I need this is because
I don't want to process pages that may contain sensitive information.
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Dec 2, 2005
I have read all posts about how to detect that url have changed to new
page and trigger the event handler then eg.
function aidLogout(evt) {
if(evt) {
/* maybe via analyse of evt object i can detect the close of the
browser window */
}
if(window.event) {
/* maybe via analyse of window.event object i can detect the close of
the browser window */
}
var i = new Image();
i.src = "aidlogout.asp?uid=1562&SessionID=ABCDEFGHIJKLMNOP"
} /* assuming that aidlogout.asp will return nothing or empty image */
window.unload = aidLogout;
/* or via
if(window.addEventListener) {
window.addEventListener("unload", aidLogout, false);
} else
if(window.attachEvent) {
window.attachEvent("unload", aidLogout);
}
PS i know about super Gecko onclose event which fires when browser
window is closed, but i could not find such method in IE.
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Mar 28, 2011
How can I detect that user use IE7 or IE6.
I made a google search but I was confused.
For example does this link works ok for IE7 or IE6?
Meaning that navigator.appName returns "Microsoft Internet Explorer"
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Aug 20, 2006
is it possible to detect if a user is on a cellphone? I think this is
important because cell-phone browsers don't support CSS (will they ever??)
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Jan 10, 2007
I have a page that has links to other pages. I want to be able to detect when the user has clicked on Back (or typed Backspace) to move back to my page. Is this possible?
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Aug 30, 2011
I currently use Google's and Quantcast's javascript includes on my site. I want to do the same thing for users of my site except on a much easier level. I want users to include a javascript that detects the URL of the page where the script is included... Should be easy but I don't know where to start.
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Jan 14, 2007
Is there any way that an Apache server can recognise that a users browser has changed from your web site to another site. ie. is there a way of executing a CGI based on when the address bar no longer has your FDQN.
Would this be via Javascript [if possible?] or ???
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Aug 14, 2009
How do i detect when a user closes my window?
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Aug 3, 2009
I need to take some action when the user leaves my website. By leave I mean one of the following two cases:
1) Closes the browser
2) Goes to some other site (different domain)
Is there a way to detect this? I know that the event onbeforeunload and onunload gets fired when the user leaves the page, but these also get fired when the user leaves page A in my site and just goes to page B in my site. I don't want to alter every link within my site to fire the onclick event and in such event to "remember" in a JavaScript variable this is a navigation within my site. I am looking for some clean solution if one exists. For example, is there a way to get the information in the DOM where the user is going to when the onbeforeunload or onunload are fired?
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Aug 22, 2005
when a user clicks back to get to my site, I want it to run a javascript
function.
can you detect when the FORWARD button is greyed out?
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Mar 16, 2011
how do i detect user has clicked back button of browser and i want to prevent it from redirecting to back page i dont want to disable the back button
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Apr 24, 2009
my page allows the user to enter a number in a text box and a search request is sent to the server (if the user stops typing for 200ms) using AJAX. The following is the desired behavior.
(1)User starts typing a number in the text box. As the user is typing, no search requests are sent to the server.
(2)Once the user stops typing (i.e. no key events for 200 ms), use $.post() to execute a search.What is a good way to detect that the user hasn't typed anything for 200 ms?Is there anything in JQuery that I can use?
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Jul 11, 2009
I got a textarea and I need to detect instantly if user input is a chinese character or not. View this message in context: [URL] Sent from the jQuery General Discussion mailing list archive at [URL].
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Sep 14, 2011
i would to detect when the user have selected a edit area.
I try $('input[type=text]').select but this don't work.
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Feb 14, 2009
Can Javascript be used to detect a certain url and then "not" write some html according to that url and also detect something on the page and "then" display some html?.
Example: I'm working on a volusion site that uses asp. There's basically only one page that's changed dynamically. I would like to display some html when and only if the cart has any items in it. But also not to show up on the check-out pages.
The page dynamically displays "Your cart has 1 item in it..." when the visitors puts something in their cart.
So could javascript detect when this is displayed then write some html and then also detect if the url is showing the cart and then not show the html?
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Jul 24, 2010
I'm creating an AJAX user validation so that when a user types in a username, it checks it in the database to see if it exists. I want it to execute after the user finishes typing. I've tried using:
$("#username_field").keyup(function(){
which works, but I don't want a query executed every time the users presses a key. I was wondering if there was a better way to do it. Meaning I what the check to be preformed after the user finishes typing.
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Oct 14, 2011
is it possible to track whether user is typing in the browser's address bar or aside google search box ( which appears in most of the browsers besides address bar)? if yes, I would like to know HOW? references are welcome.
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Nov 28, 2010
I have to come up with a user authenication page the logs the user in and also gives them access to do the right things. I have attached the code and the access file and have got started on a few things.I first need to create a login page with the fields username and password have that check the access database and then proceed it to a page to do the following depending on the user access. For The Login button to even be enabled the username and password must have a value in it. I have no idea how to do that
Add A User [No duplicate Users]
Modify A User
Delete A User
[code]....
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Feb 22, 2011
How to show/hide several paragraphs when the user clicks next and then the reverse when the user clicks prev.
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Feb 15, 2011
Imagine a wife has signed on to a web site in a browser tab. She does not sign off and walks away to do something else. Her husband sits at the computer and seeing her signed on, opens a new tab and tries to sign on to the same site. I need to automatically sign the wife off when this happens so as to avoid confusion later regarding which session is active.
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Jun 2, 2009
I was making a website, all looked great, untill I started IE7. there, it really looked like crap.Now I'd like to just make another css file for IE6 and/or IE7 but not for IE 8, because it does look wel at that browser.
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Jul 23, 2005
Is there a way to detect which textarea the cursor is positioned in? I
would not want to attach 'onkeypress' to all textareas to detect which
one I am presently in ... or is this the only option?
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Jul 23, 2005
How can I detect the press of CTRL + V in an input of type text?
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Jul 20, 2005
Is there a way to detect the height of a TD tag?
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Jan 24, 2009
how I might use JavaScript to detect the overflow of text in a DIV. Currently, I have the CSS set to Code:
overflow:auto
However, having scroll bars are pretty tacky. Instead, I'd like to be able to detect the overflow, which would then add a small <a href> link that says "More."
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Feb 20, 2011
I was wondering how I could detect if a user has ad-block or ad-sweep or any other ad blocking ad-ons for that matter. I want to be able to detect this because if they do have ad-block I want to display an image in the place where the blocked ads are. That way theres not all this empty space
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