Javascript, Detect DIV Height
Jun 19, 2006
I am very new to javascript, it is on my list of things to learn... but I have a wide range of other traditional programming languages so I understand functions, etc
however in the mean time I am looking for a way to detect the height of a specific div.
My goal is that I have a div that is set to overflow: auto ,
If the content of the div goes beyond its set height, I would like to make a div visible. So basicly I need to get the height of a div element, and compair it to a pixel number.
To go a step beyond, it would be cool to make the div that is visible when there is scrolling, to disapear once you got to the bottom of the div.
Any ideas?
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Mar 31, 2004
Is there a way to detect with javascript the height and width of a browser window that's open? Much the opposite of a pop-up where you define the height and width I guess you could say - anyone know if this is easily possible?
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Jul 20, 2005
Is there a way to detect the height of a TD tag?
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Feb 4, 2010
Can someone show me how to detect height within a DIV tag, and redirect? For example if the height is 0, redirect to some other specified site
I've read this but still no idea how to implement to redirect
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Mar 17, 2008
I've been looking around all day for a script that would detect the height of one div (can't be predefined because of dynamic text content), and set a second div as that same height.
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Nov 17, 2009
i am using jquery to detect picture width and height in a page. if the size exceeds a specified value, then a maximum size will be assigned to the <img > attribute.
this jquery is run with $(window).load, because when $(document).ready the pictures may not be loaded and the script may fail
this theory is good. however, if the internet speed is slow, or the picture link is dead, user would have to wait for a long long time before the jquery executes.
is there any way to do the resizing job wisely? for example, resize each picture once each of the pictures is loaded?
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Sep 25, 2009
I'm trying to do this:
$(document).resize(function(){alert('yea')});
But doesn't work on firefox or chrome, only work fine on IE (WTF!) I'd tried $('body').resize... but happen the same. $(window).resize work fine but I need to detect when the body's height has been changed by ajax.
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Jul 23, 2005
I would like to generate a page of links including some of the pdf properties (title, author, version, etc.) for a folder full of pdf's. Is this possible from Javascript?
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Aug 29, 2006
I am wondering if any of you Javascript experts can enlighten me on
which event to call. The use situation is that the tetxbox field is
populated from the DB and the add/update and delete will work only when
a textbox for reason for change is entered. This mean if a user simply
type in the same value as before, the ASP.NET textbox will be marked
with changed. But it should not limit that a user can not change the
whole value in the textbox at all.
I have looked at keyup, mousedown, etc. but it will calling the
function after every key is entered and that is what I don't want to
happen.
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Jul 23, 2005
Is it possible to use javascript to detect if a screen reader is
running a on a users machine?
I know that on a pc, screen readers use the MSSA interface. Is there
a way to detect whether this is operational or not?
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Jul 23, 2005
I have two frames. "Top" contains a local file on my server with the aforementioned javascript. "Bottom" is a remote website on a server I do not control. I want to use javascript in "Top" to determine what the current url is in the "bottom" frame...
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Jun 6, 2003
I'm working on an image gallery and want to popup windows that are the size of the images they're meant to show.
In php I would use getimagesize() and plug the dimensions into a new window but the server doesn't support it so I'm sort of stumped on how to dynamically size the windows appropriately. Any suggestions?
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Aug 24, 2006
So, basically, I need to detect whether an alert window was thrown. I can't find where it's thrown from but I need to disable a button only if there were no alert windows thrown.
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Feb 16, 2007
Does anyone know any js code to find the whole height of a web page?
i am trying to make an image that moves from the top of the page to the bottom like a marqee. if i use document.body.offsetHeight to tell the image how far to move before returning to the top, the image only goes as far as the window height not the whole page so if you scroll down the image never reaches the bottom.
can anyone please tell me code to find the total page height or a good substitute for the marquee tag?
P.S. this is the code i'm using to act on an image placed at the top of the page with the variable winH found using document.body.offsetHeight:
var Timer1;
function down()
{
document.getElementById("zip").style.pixelTop += 2;
if (document.getElementById("zip").style.pixelTop > winH)
{
clearInterval(Timer1);
document.getElementById("zip").style.pixelTop -= (winH);
Timer1 = setInterval("down()", 15);
}
}
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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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Jun 12, 2009
I am working on a UI that, when you click on a menu option, a div opens and show three divs inside. These divs all have different
heights. The heights are based on the divs content.The problem I'm having is... how do I measure what the divs height should be? IE, how do I grab the height for a div BEFORE it has had any style applied to it.
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Jun 30, 2010
Trying to get the height of an element whose height is specified in the CSS.
So I am trying to animate the height of an item, where I have:
<img id="myButton" src="myimage.jpg" />
<div id="myDiv" style="height:50px;overflow:hidden">
asdklf
[Code]....
However, it only registers as 50, even if the element is 500
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Feb 9, 2009
I am in need of a JS script that matches the "li" height with the un-defined height of a absolute positioned block? Sort of like a matching columns script - is this possible? It's for IE6! Oh ya, and it's dynamic un-defined height. I only want it to match the height on hover. Here is a little test page I put together.[code]
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Apr 28, 2011
how to adjust the iframe height by itself if my html height increases. My html code includes a facebook comment at the bottom of my page and the comment will show making it expand the height once users post comments. On the other hand, I'm using a CMS that have its own iframe. I've tried many solutions that can be found on the web but none works. It only can work if I don't put in CMS. Is it possible to adjust the iframe height using CMS or there is no way?
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Dec 11, 2010
How can I use JavaScript to dynamically re-size a DIV on a page so that the div extends vertically to the size of the page or document.
Example: As the page gets longer due to contents, the DIV will also extend to the bottom of the page.
I have been experimenting all evening with different methods, some don't even work.
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Jun 10, 2009
this is the script to adjust the height.summaryTable.style.display="block"; if(graphDiv!=null && summaryTable!=null){ graphDiv.style.height = document.body.clientHeight - summaryTable.clientHeight - 70;}
HTML code
<table height="100%">
<tr>
<td>
<table>
<tr>
<td>some contents</td>
[Code]...
Its working well in IE and FireFox3.0. but in firefox2.0 table size is increasing on every show hide of summaryTable. pls give me some better sollution for this. The height is adjusted iautomatically if i show a popupDiv.
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Jan 29, 2010
I am trying to adjust the height of a div using $("#mydiv").height(1000); In every browser works ok but not in IE
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Sep 14, 2011
This is my first time using JQuery, and verrry slowely i'm starting to get the hang of it :)
I've made some slideToggle div's at the right (http://nekodesuka.org/offbeat/), and inside that div there are two divs. One div has an image, the other some text. I want to set the height of the image div according to the height of the div in which the text is... It shouldn't be so much of a problem, but as jquery newbie, i'm wondering how this could be neatly done :)
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Apr 19, 2011
I don't need the character height. I need the height of a paragraph that is wrapped once or more inside a div.
I need to know this because I need to make a fixed width div, that will adust it's height based upon the wrapped text that will be append to it.
I have been able to get close with this, but it's imperfect. I'm not sure what's wrong.
Code:
Where my css #ruller is this:
Code:
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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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