Control Height And Width Of An IMG Tag?
Nov 4, 2005
I was wondering if you can in CSS create an <img> tag with an Id? Then use that image tag in the body tag to refer to make it the background image. If you can I think I would then be able to resize the background image using DOM and javascript to fill the browser window without having to repeat the image, maybe?
I'm thinking this might work because.
1. Can't you create a style for any html or xhtml tag (element)?
2. The image tag has a height and width attribute.
3. If a tag (element) has an Id in the CSS you can control its attributes with DOM or javascript?
4. I should be able to use the Image tag by Id reference in the body tag - background attribute?
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Jun 12, 2011
control the page height and width using js/jquery? I have a page that is:
width: 980px
height: 2500px
I would like the page height to be set to around 900px with the viewable scrollbar and all other content not viewable underneath.
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Jan 10, 2010
on window load function i get the height of a control in a variable say 300px i have another DIV control below the first control and i wish to specify its TOP position depending on the height of the first control like document.getElementById('div1").style.top=htvariable+'5' but i am not able to get it to add it how to d oit
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Apr 21, 2006
I am trying to be able to manipulate the width and height of an <img> but do
not seem to be able.
"Yes", I know the JavaScript will "not" manip anything, which is ok. I
simply do not know how to capture the width or height. Once I can do that I
can manipulate them.
Here is the HTML for the <img>
<div class="ImgMnp" id="myImg" onmouseover="imgSize('myImg','fpImg)">
<img src="images/FirePlace.jpg" width="480" height="640" id="fpImg" />
</div>
Here is the JavaScript I tried to manipulate the <img>
function imgSize(myID,myImg)
{
var myDiv= document.getElementById(myID); //get correct <div>
var myImage=document.getElementById(myImg); //get correct <img>
var myWidth=myImage.style.width; //attempt to capture width of <img>
var myHeight=myHeight.style.height; //attempt to capture height of <img>
alert("myWidth+, +myHeight"); //show if I this function works
}
Will someone please tell me what I am doing wrong.
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Apr 22, 2005
I have the correct height and width for an image, however when I set the Javascript pop up to this height and width it does not display all of the image.
Does Javascript use different dimensions or what? And how can I set the height and width for it to compensate for Javascript's mistake?
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Aug 25, 2010
I have the following code:
HTML Code:
<html>
<head>
<style type="text/css">
[code]...
I can't make the browser to read the style.width and style.height from the CSS. Does anyone know a fix for that, so that I don't have to use inline styles for every div?
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Jul 20, 2005
How can I get the width and height of an object? I try
document.getElementById('tooltip').width
but it returns "undefined" in IE / Mozilla
My object is a DIV with dynamically changed "style.width" from "" to "600"
--------------------
Basically I want a DIV layer with at most 600px width
(if text inside has greater width then 600 else text width)
So, I try this:
my_object.style.width="";
if (my_object.width > 600) then my_object.style.width=600;
But as I say, my_object.width is not working
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Nov 13, 2001
Suppose I have an image - "image.gif" How to know its width and height ?
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Dec 7, 2006
I have a form and in that form I have a file field through that I can browse for images. Now what I want is that whatever the image file user selected i need the width and height of that image.
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Apr 19, 2010
I have a page on my website where I put an iframe and display inside it another website, something like this:
<iframe frameborder="0" height="100%" scrolling="yes" src="http://www.another-website.com/" style="overflow: scroll; min-height: 600px;" width="100%"></iframe>
My problem is that my page have a fixed width of for example 800px which the iframe width is 100% of this width, but some external websites I put inside the iframe have a wider fixed width than 600, for example if the external website have the width of 1000px then my iframe will have a horizontal scroll. I don't want the horizontal scroll to appear and at the same time I want the iframe to show the whole width of the external website. Is there a way that I can control the width of the external website and make it 100% of the width of my iframe instead of their fixed 1000px for example? I don't think I can but I thought I would ask anyways maybe it's possible!
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Jul 23, 2005
How can I find the height and width of a webpage? Say I want to make
sure someone's webpage is within an 800X600 viewing area. Width is the
most important but if I can get width, I should also be able to get
height.
I don't need to modify the page in anyway. Just get the width and
height. I can reference the page in an iframe, cfhttp (CFMX) or
something if it needs to be on my server.
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Aug 24, 2006
How can I get visible viewport dimensions of any browser?
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Jul 20, 2009
Currently for the height and width functions, this is the description:
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Apr 3, 2010
I've ran into this problem more than once, there are plenty of tutorials on how to toggle/fade a hidden div that already has data placed into it, but I want to $.load() a page into an empty div ID and then toggle/fade it into view.
I can't for the life of me figure out how to do this or find anyone in Google trying to either. This has to be the first time I've ran into a limitation of jQuery and it isn't even something that should be such a problem.
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Oct 27, 2011
I'm facing the following problem: I'm using .append() method to add a new <div> on the fly and I need to read its width and height right after it's been created. How can this be doneMy current strategy to accomplish this task is:
$("#container").append(
$("<div/>").append(
$("<p>").html("This is a content example that goes inside my just created div")
[code]....
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Jul 15, 2009
This script changes the image, I wanted to know if there is a way to automatically resize the div's height and width based on the actual image proportions.
<!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">
<head>
[Code]....
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Oct 17, 2009
My html document contain many images which has the attribute src of img tag as the flowing :
[URL]
All those images has the common source folder [URL] This is an example :
<img
src = "http://images.mysite.com/a/p/ap.eba553af4b719.ec03.jpg?x=210&y=83&q=85&sig=Tua1ukyUEVKTPSsz7xGPsg--"
width = "105"
[Code]....
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Jan 18, 2006
i need the innerHeight and innerWidth of the clients browser window to be returned from a function. here is what i have however some times the value being returned is in fact greater than the browser window (only by a few pixles) i'm assuming this has something to do with 'tabs' in my browser.
function getW(){
var w;
if(document.innerWidth){ w=document.innerWidth;
} else if(document.documentElement.clientWidth){ w=document.documentElement.clientWidth;
} else if(document.body){ w=document.body.clientWidth; }
return w;
}
function getH(){
var h;
if(document.innerHeight){ h=document.innerHeight;
} else if(document.documentElement.clientHeight){ h=document.documentElement.clientHeight;
} else if(document.body){ h=document.body.clientHeight; }
return h;
}
i'm returning the value into a Math.random()*getH();
i'm using the value from that to randomly position a single character on the page.
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Mar 19, 2009
I have a simple form with file control. I want to check out uploaded image's width and height on client side.
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May 5, 2010
How can I change the height and width of an element with Javascript? I have tried and so far I can only change either the width or height but not both, doing something like this…
Code:
<HTML>
<HEAD>
<script type = "text/javascript">
function changeSize(){document.getElementById('test').style.height = '200'}
[code]....
And this works fine but if I try to change both height and width it doesn’t work. Doing something like this doesn’t work
Code:
function changeSize(){document.getElementById('test').style.height = '200' width=’200’}
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Feb 26, 2007
im using the following javascript function to popup a new window that will display the full size of thumbnail images.
However, whenever I click on an image, the full image will not appear. Only a very small window will appear. How can I alter the function below so that the full image will appear?
function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=100%,height=100%');");
}
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May 16, 2007
I heard it's not possible to get the width and height of a flash file using PHP and that's only possible through JavaScript.
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Mar 21, 2010
I set the height of an object to "100%", via its HTML definition. I later want to determine the actual height of it, using JavaScript. If I access its "height" property it returns the string "100%". How do I get the actual height, in pixels, that it ended up being when it got displayed by the browser?
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Jul 23, 2005
I want to preload some images for a webpage _and_ determing their width and
height. The problem is that the scripts continue while the images are loaded in the
background, while I need the thus undefined values of image.width and image.height.
Thus I'm looking for a function which stops executing my script until the
images are all fully loaded.
Some non-working sample code included. Notice this only doesn't work well on Firefox. The code runs without errors, but it doesn't get the correct height and width. To see the
problem the images used shouldn't be in the browser cache. Code:
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Oct 22, 2007
I wonder to show the images in a table format... and to set a box of
width 100px and height 100px, is there a way?
Right now, if I set width to 100px, then height can be 180px...
If I set height to 100px, then width can be 260px...
What I really want is, to have the greatest width and greatest height
so long as none of them exceed 100px, and maintaining the aspect
ratio. (I don't want to set both width and height to 100px for the
aspect ratio will be weird...)
so powerful as HTML and CSS is, is the above possible?
So it might be possible to use Javascript... but what about for users
who have javascript turned off? and because I am loading the jpg
files in one .php, and posting to another .php file and setting the
HTML in the second file... so getting the width and height info in the
first page and passing it to the second .php can be kind of messy.
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Jul 20, 2005
Im working on a site for a friend, and we've setup a popup window for a couple pages, but with the code we have, the variables for the width and height are in the <script> portion of the code, and not on each individual popup code segment. Is there a way I can add "width=400" or something to each popup to change its width? Code:
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