Preloading Images In A Background Table Attribute Tag?

Jun 19, 2009

i know that the background attribut on table is not official but you can still use it and it will load an image as a background but i have an already coded site wich uses this background tag and a preload image js function wont work correctly, is there an solution to this?, right now i only see changing the code of the page(it's a damn nasty table based code)

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Preloading Images That Are Used As Background In Css?

May 1, 2010

I have a page where there are 4 images that are loaded as a div background via css file.

When I try to use javascript to preload them it just does not look like its pre loading them.

I tried doing the following but the images don't pre loaded. They appear one after another.

Code:
<SCRIPT language="JavaScript">
<!--
pic1= new Image(100,25);
pic1.src="http://someplace.com/image1.gif";
//-->
</SCRIPT>

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Crossfade Images In Table Background?

Aug 3, 2010

I've worked for a while to get a table background image to automatically rotate using JS, and it's working well now. However, it's quite choppy. Any way to make the images crossfade to smooth it out?

Test page is here: [URL]

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Preloading A Background Image

Mar 16, 2005

I issue a css rule for my table that will contain the masthead thus:

table.banner{background-image:url(background.gif);background-repeat:no-repeat;}
Afterwhich i preloaded the background image using javascript thus:

<script>
banner=new Array();
banner[1]=new Image();
banner[1].src="background.gif";
</script>

when i tested this script i didn't notice that the background image got pre loaded pls am i doing anything wrong?

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Preloading Images In IE9?

Apr 14, 2011

I'm finding IE9 handles the preloading of images using the Image object differently to its earlier versions.For example:

This code in the <head>

Code:

<script type="text/javascript">
var picData = ['num1.jpg','num2.jpg','num2.jpg','num2.jpg'];
picO = new Array();

[code]....

Earlier versions of IE seem to work as FF4 does.It appears that the window.onload event in IE9 does not take into account if all the images have completed downloading via the above FOR loop whereas FF4 and the others do.

The workaround I am using is to preload the images in hidden <img>'s at the top of the <body> and then loading them into an Image object to get the jpg's actual width and height. This is working in IE9, FF4 and the other majors.

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Preloading Images - IE 5 Bug

Apr 30, 2001

I'm using ie 5 and I was preloading these images for a rollover and I noticed the preloading wasn't working.

I looked at my code from all angles and couldn't figure it out - checked online examples on how to do it - same way I'm doing it.

Checked a different browser - worked fine.

So is there a security setting in IE that may disable preloading stuff? Or idoes my browser just need to be reinstalled?

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Preloading Images In IE9 ?

Apr 14, 2011

I'm finding IE9 handles the preloading of images differently to IE8 and FF4 and the latest versions of other browsers.

In IE9 the preloading still works ok unless I want to use the width or height properties of the created Image object before the src of the new Image has been assigned to an <img>

For example:

This code in the <head>

Code:

outputs '0 0' in IE9 and '150 250' in FF4 and the latest versions of the major browsers. 150 and 250 are the actual width and height of mypic1.jpg

Earlier versions of IE seem to work as FF4 does.

It appears that the window.onload event in IE9 does not take into account if all the images have completed downloading via the above FOR loop whereas FF4 and the others do.

The workaround I am using is to preload the images in hidden <img>'s at the top of the <body> and then loading them into an Image object to get the jpg's actual width and height. This is working in IE9, FF4 and the other majors.

Have I missed or misunderstood something in the the way IE9 works?

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Preloading The Images One-by-one?

Aug 9, 2011

I am attempting to preload an array of images on my website so that they preload in order and only preload one at a time (the images are large and I want them to load in the order they will be viewed in.)So far I have this:

Code:

var images = new Array();
images[0]="website/users/user1/images/0001_000_808460.jpg"
images[1]="website/users/user1/images/0001_001_800872.jpg"

[code]....

This preloads the images all at once. I have yet to figure out a way so that "images[0]" loads first and completely before "images[1]" (and so on).

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Question About Preloading Images

Jul 23, 2005

Is this the correct way to preload an image...?

Var Image1 = new Image()

....And then when I'm ready to use the image I can do this...?

Button1.src=Image1.src

....Or am I just telling Button1 to use the same source path as Image1?

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Preloading Images Not Working?

Sep 14, 2005

I now have, in the header,

[Code]...

The above is in the first page where only the first image above, the before-and-after.gif image, is displayed. The rest are displayed in the second page linked to the first and are shown by using an array

[Code]...

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Preloading The Dynamic Images?

Aug 31, 2009

I have a function that changes the src of an image:

JavaScript Code:

function ChangeSRC(url_src)
{
document.getElementById("photo").src = url_src;
}

[code]....

Neither of these methods seem to work; especially in IE. Is there a better way to preload dynamic images?

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Preloading Images From Webcam?

May 16, 2009

I'm working on an embedded system that I want to stream images from a webcam and having a world of problems.I originally started out using mime's multipart/x-mixed-replace to send the images to the browser and it worked well but IE has no support for it and it simply didnt work on slow connections.So i've changed to creating an image object and preloading it with JS but I cant get any onload functionality to work :crying: I want the page to preload a picture, display it, repeat with the next picture etc.

This is a rough version of what I have so far and it works while the timer is quite high >1sec, but just below that random images don't get displayed. With small delays, say 0.1sec the images are loaded but never displayed. why can't i get it to SHOW the image, THEN load the next one

PHP Code:

<script>
var image = new Image();
var tmr = -1;

[code]...

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Preloading A Directory Of Images?

May 11, 2009

I'm trying to combine two scripts I found online to make a preloader for all the images in a folder. The javascript part works when you manually enter in a list of images, so I was trying to make a php array to get all the names of the images in one directory, then use that to list them. Here's what I tried:

<?php
function dirList ($directory)
{

[code]...

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Preloading Of Images On Webpage

Jun 13, 2003

I just thought this might be useful - short little pre-loading of images on webpage.
Code:
<body onload="preImages()">
<script>
function preImages(){
if (document.images){
aImgSrc = new Array("image1","image2","image3");
aImgLst = new Array ();
for(counter in aImgSrc){
aImgLst[counter] = new Image();
aImgLst[counter].src = "images/" + aImgSrc[counter] + ".jpg";
}}}
</script>

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Preloading Images For Gallery?

Jul 6, 2011

I am developing a website for my budding photographer son, Tom, and I want to provide an gallery where the user clicks on a thumbnail and this displays a larger image. The only way I see that I can do this is to have a link on the thumbnail to load the page again passing the image name or id to the page using a query string and processing this using PHP. If I preload all of the larger images when the site first loads will these images be available in the cache for other pages.Another way is to hover the thumbnails and display the larger image but I need to find a way to keep the image displayed until the user hovers over another thumbnail.

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Preloading Over 300 Images Not Working?

Feb 16, 2010

I am trying to preload over 300 small images. I am using a local developement server at this point and testing in IE. As the user interacts with the page many different images will be appear and dissapper for them. It needs to be smooth. I was noticing that the status bar at the bottom of IE keeps saying the images are being loaded. So I thought I would try preloading the images. After implementing the following code, the IE status bar seems to still show that the images are loading each time and I havent noticed any improvement in load times. Could it be that the images are not really being preloaded? Here is the code I am using to preload (it is triggered by onload in the body tag:

imageObj = new Image(width, height);
imageObj.src = "images/pp1234.png"

my actual code repeats the second line many times in a loop with different image names, but this is the most basic for of my code and it results in the same problem. Are there known issues with IE and preloading?

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Preloading Images And External JS File

Oct 15, 2005

I've inherited responsibility for our church's website. It has a
sizeable main menu, which uses mouseover image swaps. These images use a
pre-load script but the script is only included in the index.html page. My
javascript knowledge is weak, but it seems to me if a viewer arrives first
at page12.html, he gets no benefit of the preload script. My quandry -
Should I include the preload script on every page, or would this force each
of these images to download again everytime a viewer moves to a different
web page, thereby gumming up the whole works? If I don't add it to every
page, the viewer who enters thru a backdoor has a sluggish menu, right?

If the right approach is to include it on every page, can I do this with an
external js file? Will I need to call this file, or will it work just by
including the js statement in the <head> section:
<SCRIPT LANGUAGE="JavaScript" SRC="preloadscript.js"></SCRIPT>

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Randomizing Images Without Preloading And Repeats

Sep 25, 2006

I currently have a Javascript application that randomizes about 200
images. The problem is that the images preload, which causes the entire
site to not come up until all the images are loaded. I'd like to find a
Javascript application that can load images as they are randomly
chosen. In addition, I'm trying to figure out how to not display the
same image more than once; or at least until after the 200 have been
displayed, then create a new randomization of the 200 images.

Let me know if anyone knows how to do this or can point me to code that
is able to do what I'm looking for.

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How To Stop Images From Preloading In Gallery

Feb 24, 2009

A small problem has come up and I'm and I'm not sure how to resolve it. The problem is I do not want my images to preload in an image gallery on one page. [URL]. The images in the gallery you can see are preloading. How can I stop them from preloading? What would I need to do? I just need them to load whenever the user clicks on one. Preloading just takes up uneccessary time. Here is the Javascript code: [URL]. What should I do? I do not know javascript very well.

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Preloading Images, And Getting Their Height And Width (firefox)

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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JQuery :: Animate Background Images Or Background Of Div?

May 14, 2009

I'm putting together a portfolio site and I'd like to use high-res images that take up most of the screen to show different works. There
would be a menu bar with links to each work, where a click on that work's link would change the background by doing a standard "dissolve"
effect.I have seen many different plugins for "rotating" images and changing background colors at the click of a button. Is there a method
specifically for this purpose? As an alternative to altering the background-image of the body itself,I would be willing to use a properly sized div (or div's) to achieve this effect.

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Make Different Images Hover Over A Table Of Sliced Images When You Mouse Over A Particular Image?

Apr 14, 2011

I am trying to make different images hover over a table of sliced images when you mouse over a particular image. ex. mouse over image 1 = have image 1.1 hover over entire table of images in spot A; mouse over image 2 = have image 2.2 hover over entire table of images in spot B....ect. what i have so far only allows me to mouse over image 1 and have image 1.1 hover over entire table in spot A. Any time i try to move forward with more div's on other images it just jacks everything up.

Here it is: <html>

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JQuery :: Table Grid Of Images - All The Images Except The One Hovered To Fade Out To 0

Oct 11, 2011

I have a table grid of images, i need all the images except the one hovered to fade out to 0

I tried throwing around .filter but no luck

Images are written as <img class='tile' id='${row['_id']}' src='$rsrc/food pictures/${row['_filename']}_in.png'>

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Setting The Src Attribute Using Script And Caching Images

Jul 27, 2005

I have noticed that when you set the src attribute of an img via script,
(instead of hard-coding in the img tag), although it caches the images,
if you leave the site and return, the browser has to re-cache the images.
Is that just the way it is, or is there a way to not lose the cache?

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JQuery :: Echo The .length Value Of All Images That Has An 'alt' Attribute?

Mar 5, 2011

I just want to echo the .length value of all images that has an 'alt' attribute.

$(document).ready(function(){
$('img[alt]').text("Found " + $("img[alt]").length + " img alt attribute.");
});

Is my codes above correct? I tried it, and I did not saw any output.

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JQuery :: Getting Child Attribute - Images With URL / Descriptions

Jun 6, 2011

With this code:
<div id="main"><div id="slideshow" class="pics">
<a href="/page2.asp""><img src="/img01.jpg" alt="Text 1" /></a>
<a href="/page3.asp"><img src="/img02.jpg" alt="Text 2" /></a>
</div><p id="pcaption"></p></div>

I'm trying this to no avail (using the Cycle plugin, the source html DOES have the includes for jQuery and cycle external files):
$(function() {
$('#slideshow').cycle({
fx:'fade',
fit: 1,
pause: 1,
timeout: 1000,
height: 360,
width: 550,
random: 1,
after: function() {
$('#pcaption').html(["this.children"][0].attributes[0].childNodes[0].data);
}});});

The problem line is:
$('#pcaption').html(["this.children"][0].attributes[0].childNodes[0].data);
What I am trying is to get the text from the alt attribute to change the <P> after the image.

I've tried:
$('#pcaption').html(this.alt);
$('#pcaption').html(this.children.alt);
And I still can't get the alt text from the image tag. I want to have images with an URL, but I need them to have descriptions (that's why the ALT in each image).

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