Drip Shows Leak On An Empty Page?
Dec 11, 2006
I'm using Drip 0.5 to test for a memory leak in some code. After reducing
the page down bit by bit to find the leak, I ended up with an empty page
that still leaked!
The page source is exactly this:
<html>
<head><title></title></head>
<body></body>
</html>
It doesn't leak the same amount each page load - sometimes it's 8192,
sometimes it's 16384, sometimes even reducing the memory load. But the
overall trend is an upward movement. I let it run for 10 minutes and it
leaked almost 10MB, so it's about 1MB/min.
This is not a serious leak, but it's making it harder to know if a leak is
caused by the js code or this other thing going on.
Has anyone else run into this? Any ideas what the problem is? I've shut down
all processes, removed all IE add-ons, etc, but no change.
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Oct 8, 2011
I am using jquery ui to have two connected sortable lists. The first list is available numbers, and the second is selected numbers. Everything with the jquery is working fine. The problem i am having is when i try to get the contents of the selected numbers box, it is empty, even though the sortables are or were dragged to that list. I tried using this.
var response = $("#selected_numbers_box").val();
alert( response );
and I also tried this..
var response = $("#selected_numbers_box").html();
alert( response );
both are empty. What i am trying to do is retrieve the values of the new list "Selected numbers Box".
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Aug 21, 2001
I've been looking without success for a slide show program that will rotate web pages as opposed to just images. Am I best off just using a banner rotation script or is there something out there that is available for that purpose. The wish list is for a full page rotation ( the page uses SSI) possible fading of images in IE and being able to vary the time of each image. Asking alot?
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Jul 23, 2005
I have a javascript that displays couple of buttons, which are
directional (e.g., click button it goes to a particular page). I need
to have these buttons shows up multiple times in same page, each
represent a different direction but buttons themself are from the same
gif file. What's the most effecient way to do this?
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Sep 7, 2010
I am using the following code from this site.
but for some reason if the page is long the whole page scrolls up so the top of the calendar is at the top of the browser, which actually hides the box that the date will end up in.
can anyone see how I can alter the code so that the page does not scroll up, but have the calendar show just below the box that the date will go in and the page does not scroll?
here is the full code that I am using to test this out with. code...
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Jan 13, 2010
I have a div which will show when javascript is disabled, and I turn it off using:
$(document).ready(function(){
$("#noscript").hide()
});
However, it is appearing ont the page in Firefox for a split second when the page loads. Is there a way to stop this? The site is on localhost at the moment but I can easily upload it if need be.
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Oct 9, 2009
I am using jQuery and BlockUI to display a "Loading..." message to theuser while the page is loading.The problem is that the "Loading..." message seems to show up AFTERthe page has loaded, not during load. Shouldn't the document.readyfire sooner than that?What am I doing wrong?
<script>
$(document).ready(function() {
$.blockUI();
[code]....
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Jun 20, 2004
just wanted to know if there is a way to insert a code that shows how many users are viewing your page using javascript? i.e. 3 Users Online
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Apr 20, 2011
I am using Fancybox plugin and works well but for an ajax call the first few calls the popup/modal appears at the bottom of the window but later corrects itself and then is centered.
Here is an example:
Example Link
Click on the 'Foliage', 'Base' or 'Trunk' boxes in the right side column.
Anyone seen this before and know a fix?
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Nov 23, 2011
Script to show on the web page that how many times user loaded it or refresh it. the counter restarted from 0 on closing the browser and open it again.
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Oct 6, 2009
I have found a useful script at [URL] which shows the date a page was last modified. I have put it at [URL] where it works perfectly. But the same script with a PHP file extension as here [URL] only shows the current time. There is no PHP in the page, but somehow the PHP processor seems to be upsetting it.
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Mar 16, 2010
I'm creating a web page that randomly shows images when when a button is clicked. I appear to be having 2 main problems with it so I'll begin with what seems to be the easiest one to tackle.as the user scrolls down the page I need to keep the button statically, in the top right corner.here's the relevant code:
css
#button{
position: absolute;
[code]...
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Jan 20, 2011
internet explorer shows blank page of my website im working on the website works fine on firefox but in internet explorer all im seeing is a blank page.....here is the link of the website also in local computer its not working why???
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
[code].....
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Nov 30, 2011
I'm making a page which gets the contents of an xml file and creates a table and populates it. The problem is when it loops around it seems to strip everything from the page HTML, HEAD, BODY tags and everything inside of those and just puts the value of the elements from the xml file onto the page. My question is, am I able to perform this loop and keep the rest of the contents of the page intact? I've been trying for most of the day and I can't get this working.
[Code]...
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May 2, 2006
I've been putting together a small pet project. Once it was finished i realised it had a gigantic memory leak inside of it. I tried to read up on the subject, but couldn't find the source of the problem via the articals.
This site is very simple, so I'd think idenifying (and hopefully fixing) the problem would be easy. Here is the relavent portions of JS (followed by links to the full page incase you need to see that): Code:
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Nov 24, 2011
I have two radio buttons in my form. Now what I found out is that in firefox, if you refresh the form, is a radio button was selected before the refresh, then after the refresh the radio button is still selected. I want to know is there a way by using javascript code to be able to say no radio buttons should be already selected when page reloads or refreshes or does it all depend on browser?
I tried including in the window.onload=function()
btnRadioO[0].checked==false && btnRadioO[1].checked==false
which I thought would do the trick but it didn't work.
[Code]...
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Nov 24, 2011
I have two radio buttons in my form. Now what I found out is that in firefox, if you refresh the form, is a radio button was selected before the refresh, then after the refresh the radio button is still selected. I want to know is there a way by using javascript code to be able to say no radio buttons should be already selected when page reloads or refreshes or does it all depend on browser?
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Mar 26, 2006
I was wondering how good is JavaScript with memory management. I have
an object called MANAGER that has a list of other objects, each one
managing a single DOM nodes, etc. In my implementation of
MANAGER.reset(), I simply recreate my MANAGER.object_list = new
object(); and do a single MANAGER.domnode.innerHTML = '' as apposed to
getting my hands dirty. Is my app leaking memory?
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Nov 20, 2006
Internet Explorer leaks memory when I update a div container using
innerHTML, this does not occur in firefox. This would not be a problem
except the webpage is required to be left on for weeks on end without
being restarted. I presume the issue with innerHTML is that Internet
Explorer apparently parses what you give it and then decides on how to
construct the dom elements itself, so never truely creates what you
give it.
I know that the innerHTML is the problem as I have successfully
narrowed down the leak to that line. It only leaks memory when I assign
content to the innerHTML of my containing DIV. Appending a text node,
for example, with the exact same information to the same div does not
leak. Note I have also tried using such existing AJAX packages like
Prototype etc. but to no avail.
I need to do it this way as my XML documents are styled using an XSL
stylesheet and then transformed using transformNode [I will omit
details regarding firefox as there is no problem there]. I have looked
into transformNodeToObject as a way to get a dom object that I
originally assumed could be appended [as a child] to my containing
element. This did not work and gave me compatibility errors.
I suppose I am either looking for someone who has solved this problem,
or who has an acceptable work around. Or someone to say that it cannot
be solved.
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Jan 19, 2010
Do the latest browsers still need this? I could find an article about IE8 which states that its garbage collection has improved so circular references shouldn't be a big problem any more.Reason for asking is that I maintain an JavaScript / AJAX framework and we are currently optimizing our code which contains a lot of code to remove references from and to the DOM and to remove event listeners.
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Dec 14, 2009
I have a form and in the form is a checkbox use as a switch to hide and unhide a two textbox. When the other textbox is hide, the other is unhide such as the code below. When the user click the submit button on the first time and there is an error, it reloads and the id="fieldset.-in_honor" hide because it is set to hide initially but not empty. My problem is, I want to show the fieldset whichever is not empty after submit button is click and there is an error so user will not enter any more information to the other field. Is that possible?
/*toggle switch*/
<p><input type="checkbox" name="in_honor" value="" id="checkmemoriam" onclick="showHide(this.name);" />Please check to make this donation in honor of someone special.</p>
/*hide textbox but unhide when the switch is on or the checbox is check*/
<fieldset id="fieldset-in_honor" class="fieldgroup" style="display:none">
<legend class="hide">In Honor Of</legend>
<p>To make this donation in honor of someone special, please complete the two fields below:</p>
<div class="formfield" <?php echo highlight('donate_honor_name'); ?>>
<label for="donate_honor_name">Name:</label>
<input id="donate_honor_name" name="donate_honor_name" class="text" type="text" value="<?php safeEcho($form['donate_honor_name'])?>" />
<?php helper_error('donate_honor_name'); ?>
</div>
<div class="formfield" <?php echo highlight('donate_honor_acknowledgement'); ?>>
<label for="donate_honor_acknowledgement">Acknowledgement should be sent to:</label>
<textarea id="donate_honor_acknowledgement" name="donate_honor_acknowledgement"><?php safeEcho($form['donate_honor_acknowledgement'])?>
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Feb 19, 2010
Below is my code which refreshes every 10 seconds
[Code]...
What happens there is a memory leak of the divs with idsliveAuthen-target-1000 andliveAuthen-content-1000
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Oct 3, 2007
I posted this originally in the csharp group, but I think that may be the wrong group. This seems more appropriate:
I'm running into an issue with a memory leak in an Asp.Net web page.
In the code behind (.cs) I'm adding onchange, onblur and onfocus events to a bunch of objects that reside on my page (textboxes and dropdownlist).
After using Drip i've found that these are leaving open DOM objects....
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Mar 12, 2010
I have started using jQuery recently and I am having a problem with IE leaking memory when performing a $.getJSON() request at intervals. To test the problem I set up the code to run every second. The only code I currently have running is the ajax request as below:
getDetail = function(detailID){
$.ajaxSetup({ cache: false });
$.getJSON("api/urlgoeshere", {"dID" : detailID,"d" : 0},
[Code].....
If I leave the above running the Memory Usage climbs by about 5mb a minute in IE but is ok in Firefox. I am using jquery-1.4.2. Has anyone come across this before?
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May 28, 2011
Attached is a sample html file (named jqmleak.html - rename it to remove the txt extension and drop it into your web server to test for yourself) that I've put together to demonstrate a memory leak with the $.ajax function in jQuery 1.6.1 when run in Firefox 4.0.1. The file loads jQuery 1.6.1 from the Google API CDN. Next, a simple function is defined that runs $.ajax to request the html file itself. This function is then set to run once every second using setInterval.
In Firefox 4.0.1, on both Win XP and Linux (ubuntu 10.10, 64-bit), I can watch the amount of memory consumed by Firefox gradually rise. It takes a few minutes for the problem to be observed, because initially the memory will decrease with no other activity in the browser. Then after about 5 minutes or so, I can watch the memory used by Firefox slowly but steadily increase. I can use the handy 'about:memory' tool in Chrome to monitor this alongside other browsers. Chrome, Opera, and IE do not exhibit the same problem with this test. Their memory usage will vary within a range of about 2 or 3 mb, but over a long period of time they do not increase their total amount of memory used. This problem is only happening in Firefox 4.0.1 as far as I can tell (I also used safe mode in Firefox to make sure no plugins were interfering with the test). I have tried both GET and POST methods with the $.ajax call, and with the cache setting both enabled and disabled. The result is the same.
Is this a jQuery problem, or maybe instead a bug with Firefox? I see similar bugs reporting memory leaks in other situations, but usually specific to IE. I was about to report a bug for this, but I thought I'd check here first to see if anyone can duplicate this problem, and/or point out what I should do to prevent the memory leak in Firefox.
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Mar 13, 2007
I am working with Netscape 7.0 and need to bind a <divwith the
innerHTML property. More specifically, I need to bind a GridView in
the div in question. I am binding the div with some hardcoded data (a
table, which is the HTML equivalent of a GridView). Is there a way
with javascript to dump the memory used by a DOM object (the div that
I am binding with innerHTML)? When i just receive the variable in
javascript, it doesnt seem to leak. I have tried removing and adding
the div each time I bind to it, but it still leaks.
Here is the code:
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