Detect When Internet Connection Is Lost And Hold Content Of Web Page Until Connection Is Restored ?
Nov 27, 2010
I have a script which needs to detect when the internet connection is lost and hold the content of the web page until the connection is restored.
I have been given a head start with a small javascript which I am trying to get to work.
My web page, I have a web page which contains some text and graphics but more importantly it also has an iFrame. The iFrame connects to an SQL database and displays data which is refreshed every 20 seconds.
Because the internet connection at the location where the script will be running I get connection loss which makes the iFrame loose its data. The Javascript I am working with is below.
Code:
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Nov 26, 2010
I am having an issue with a script which fails when the internet connection is lost, and so it should.
Is there a way that the web page can be automatically refreshed if the connection is lost using JavaScript. I need to continually refresh until the connection is back on.
I know all about META refresh but that does not help.
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Feb 9, 2011
I have a javascript code with a countdown timer that runs on the client side and is updated regularly to the date set in mysql db.
I want to make the timer stop when the internet connection is lost. I am thinking on using clearTimeout()...but I need to associate it with the internet connection.
Here is the script:
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Aug 8, 2008
I am attempting to create an Access database connection from within an HTML page. I am using Javascript to make the connection and then test a basic UPDATE statement.
The following code is throwing back an error 'UPDATE statment syntax incorrect'
Code:
I thought the syntax was correct, but maybe it is something else?
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Aug 2, 2010
I want to have a popup that shows up if the user loses connection to my website, i would prefer it to be in jQuery as that's what I'm using, and it seems more light weight on the page
I have this code, but it doesn't seem to work... it should check on document ready then keep trying every 5 seconds
PHP Code:
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Sep 8, 2009
I would like to be able to know if there is internet connection
Something like this:
If it posibile to do something like this in javascript.
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Oct 27, 2005
I'm having trouble finding example code to detect the presence of an Internet connection. It doesn't seem to be a very frequently asked question, as all I need is the answer yes or no (is the user connected or not).
I'm not interested in speed detection or any other aspect of the connection, just its existence or not. The reason is to be able to intercept link clicks on a CD-based set of HTML pages and pop up a warning if there is no connection; otherwise pass the request through to the net.
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Dec 15, 2005
Does anybody know how to use javascript to test whether or not an
internet connection exists? Is this possible even?
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Jan 9, 2011
It is possible to run dynamic web pages on a pocket PC without internet connection?I would like to read/write files using a browser on my pocket PC without internet connection.
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Nov 17, 2010
In the home page (index.html) i have a flash intro. The first time a user sees the website, the intro should play. Once he goes to another page (about_us or contact_us) and comes back to the home page, it should show a different swf (the version without the intro) - i have created two swf files. I need to know how to change them when the user has already seen the intro or was in the home page before. When i googled, i found something on cookies. I have no clue on how to set them and change the swf file.
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Nov 17, 2010
I have pasted below java script code:
Automatic detect default page and check to low band version go to html page or high band version go to flash page.
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Dec 4, 2010
The problem is, the extension tend to crash when there is no internet connection, and sometimes, the http requests fail to communicate with gmail server, they got built up over time and end up flooding the memory.
[Code]...
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Mar 25, 2007
Someone can help me in accomplish a connection to 2 wms services. I could connect once but I changed something on the code and now I can't get the things work, the connection fails. Here is the link to the viewer:
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Jul 20, 2005
What is wrong with my code....The function "function ValidaProdutos()"
is not working....I need to execute the procedure to insert data in a
Database.... What can I do to have this code working.... I don't get
error line, but nothing happen in my database.... I think the
connection is not right.... Could anyone give a sample code on how to
do that.....
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html;
charset=iso-8859-1">
</head>
<script language='JavaScript'>
............
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Mar 1, 2010
My question is, if I download javascript from a server (say Facebook), and then I send out a request to view some photos. The sever sends me back a list of IPs of other servers which have those photos. Now can I set connection to the other servers via the javascript? Or does the javascript can only talk to the original server?
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Jul 23, 2005
anyway to check connection speed?
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Sep 18, 2010
I am trying to figure out a way to have a page redirect if the mysql connection fails. The issue is that the page is already loaded and the only time this would be needed is if the user tries to perform operations on a loaded page after the session runs out.
So basically, I have a page that will allow you to search for an item using ajax, then select an item and press add which will place the item in another table displaying detailed information. Both operations connect to the database using SESSION variables to save the connection information.
My goal is to use the "or die()" method to print something that will force a redirect because this could happen in a number of places in the site and I want to try and get them all in one swipe.
Here is what seemed like it would be the most promising:
$conn = mysql_connect($_SESSION['host'], $_SESSION['username'], $_SESSION['password']) or die("<script>location.href= '../login.php'</script>");
Unfortunately the javascript never runs.... I tried putting alerts also and nothing, but with firebug I can see they are printed.
how I can ensure that the javascript is executed?
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Nov 28, 2010
I was wondering if there's a quick and simple way to notify a user if an ajax connection is broken, for example you're calling a file, but due to your internet connection, the file cannot be relayed back to you, so the existed javascript code on the initial page you're on, notifys you of the problem.
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Mar 20, 2006
According to HTTP/1.1 specs, a client should only have two connections open
to the host at a time (which can be changed by browser users, of course).
When using xmlHttpRequest connections, is there any way to detect that the
request is queued?
I did some tests (see "Queued Requests" at
http://www.ajaxtoolbox.com/request/examples.php ) and it looks like
readyState 1 is fired immediately after the request is made, even though
it's not actually active yet.
Is there anything else I can look at to tell if my request has been queued
and hasn't actually started running yet?
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Nov 11, 2010
Is there a script to detect the internet connection speed of the visitor of the website in order to determine if the HTML or the flash content of the site wil be published. This to prevent the visitors to struggle with large flash files en give them the best possible experience. On the other hand to satisfy the need of the fast speed connection owner to get a rich internet experience and to brand my products with trendy content.
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Jun 10, 2010
Ive tried several approaches and even copy/pasted from [URL] Im using Google Chrome 5.0.375.70 beta and the error is always the same: Error: INVALID_STATE_ERR: DOM Exception 11 when debugging the client side I see the readyState is always 0 (connecting), no other error is shown. The server is set to output anything that it receives and in this case it doesnt seem to be getting anything. Checked firewalls and that shouldnt be a problem. Its worth noticing that one time it did connect, and I was able to "chat" with the server, refreshed the browser and never again, restarted the server and nothing. I havent made any change in the code prior to the refresh so really dont know what could be it...
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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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Dec 5, 2009
I'm trying to write a simple javascript and am having some difficulties. The purpose of the script is to send an xml document to the service. The response is not important.
I'm getting this error: "HTTP Is Not Defined"
Code:
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Oct 31, 2011
I have been searching how to connect to a database and execute some queries, and then use the data that I get to populate some tables in a web page, all this using javascript.
I am confused because I have seen in some webpages that javascript is not designed to connect with databases, and also I have see other pages where they say that it is possible.
Does anyone know if it is possible to use javascript to connect to a database (informix), and execute some procedures or queries?
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Dec 7, 2010
I already have a server connected to clients, clients send msgs and it echoes back to all of them and now i want when a client sends a msg it echoes on his server and the other server too .. so when any of the clients on any of the servers sends a msg it is broadcasted all over the servers to all clients
[Code]...
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May 26, 2009
How to Detect version of internet explorer using jquery?
& also name of browser?
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