Loading Low Res Image Then High Res?
Sep 15, 2010
We are currently trying to locate the JS that will allow us to implement a progression of low-res-->hi res load for the big background images we have on each page of our new web site.In other words, we have a ginormous photo in the background, and want to avail the browser a very lo res version of said photo while the big photo loads.I have a feeling this is a real rookie question, but still, if there is anyone that can advise I'd be super grateful
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Jul 12, 2011
I am trying to see if the following can be achieved using Jquery I need to create a thumbnail gallery, where when a user hovers over any thumbnail image they would get an option to download the image either in High or Low resolution. Something like how you see in the below mockup.
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Jul 27, 2009
I have this loading.gif image that is 750px, when it should be 32px. The reason it's huge now is because my original solution was displaying two images: one 750px version of the loading.gif image and one 32px version (in the center of the 750px) of the same image. Now I'm at least down to one image, even if it's the wrong version.Click any of the thumbnail images here, and then again on the thumbnail at the top of that popup product gallery to see what I mean: need that huge loading.gif to be 32px like it should be, and then expand to 750px once the image is loaded. I've tried a bunch of solutions, but nothing has solved the problem.This is the code I have at the moment, although I'm working on the issue now so it may change.
$('#inline .thumbGrid img').click(function(){
var strLargeImg = document.getElementById('OBOEsac');
$('.galleryPopup').attr('src','/site/scripts/colorbox/images/loading.gif');
[code]....
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Oct 13, 2009
I have created a party-events website. Which displays a lot of dates of events. As you might understand this page takes some time to load. Therefor I want some of loading image to be displayed while the page is loading. Anybody has an idea how to pull this of? I don't know how.
In detail: People come to my website. They click on "events" and a loading.gif pops up and and makes the background darker. After the page has completely loaded the loading image disappears and the website shows.
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Feb 13, 2007
I have a team website that has several games for entertainment. One
of the games is a javascript version of yahtzee. Can someone suggest
a way, using javascript, to record a high score for the game instead
of a high score for a particular user, session, or computer. Perhaps
someone already has code written to do this.
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Nov 22, 2011
I am a back en developer and really don't understand event driven/front end development so if I use newbie terms or make no sense please bare with me. Could someone point me to some tutorials on how I might render something if and only the local machine has good processing power/ram. I am going to be rendering some stuff which will require quite a lot of processing power on the local side. Just a threshold thing really nothing predictive or anything just if ram is more than 1GB and processor faster than a P4 or something like that.
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Nov 17, 2010
In one of my web page I want to show an image preloader. ie When I clicked on the small thumbnail in my web page then the main large image will load. My code looks something like this
$("#images li").click(function(){
var image=this.href;
$("#mainImage").attr('src',image);
});
I want to show the Loading sign until the main image loads completely.
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Jan 29, 2009
highprecisioncalculator in java script
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Feb 4, 2010
I am fairly new to javascript but I am an experienced php programmer. I have been parsing XML information using php, but my CPU usage has been too high recently due to this. I am trying to convert my scripts to javascript, but I am unsure how I can do this using javascript. I think that if I get started off, the rest will be easy.
One of my XML files is located at
Code:
http://ws.audioscrobbler.com/2.0/?method=user.getrecenttracks&user=bbcradio1&api_key=c910b0bc1e2d4e64964ebcd2d69c255c&limit=500
Basically I have been trying to grab the Name, Artist and large image of the most recent <track>.
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Jan 14, 2011
How to display loading gif image until the big image have loaded? Now I have the html and js but it doesn't work. Anyone have some idea or solution ?
[Code]...
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Mar 24, 2010
I am implementing a fairly large Javascript file that has many if/than's that decide whether to load new content into div's. I have noticed this is causing high client side CPU utilization. Is there any better way to do this besides having the example script below repeated many times... i need to keep CPU usage down.
Code:
<script>
$(document).ready(function()
{
//ajaxTime.php is called every second to get time from server
[Code]....
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Nov 1, 2007
The jQuery library is definitely very useful for those who have development background experiences but don't have the time to learn Javascript in it's true nature. I've played with it on and off, on a few smaller sites I manage, and the outcome was truly amazing. I don't know Javascript at all, aside from the basics and I was able to create a very fun and fast UI very quickly for my visitors. I wonder though; Does the jQuery library hold up efficiency for larger sites?
I currently manage a site with over 1.6 million post, averaging around 15,000 post per day this month. With me not having the time to really learn Javascript and I don't have much of a budget to hire someone to do the work I want yet, it would seem logical to use jQuery if I already know how to use it, right? I just worry, with the growth rate for the site at it's all time high, I'm afraid that jQuery will do more bad then good.
Are there any high traffic sites successfully using jQuery that you know about? has anyone experimented with jQuery on their high traffic sites? Would it seems more sensible to hire someone to do the Javascript work?
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Sep 29, 2010
I'm working on an interactive website where the user can change the font attributes of the text within the page they're reading. Is there a way to bind, for example, bold tags around a snippet of text the user has high-lighted? What I mean (if that wasn't clear) is if the user is reading through the text on the page and drags their mouse over a piece of text then clicks a button and it turns bold, much like a rich text editor would work, is this possible to do?
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Aug 1, 2010
I was searching for a way in which I can load a very big image progressively in a div or when we use thickbox for example : when we open a very big image file directly in Firefox , it started showing the image right away progressing it to complete image.
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Jan 20, 2006
I am using DOM to swap between DIVs to give the effect of a tabbed display window. Each of the DIVs contains its own images. I don't want all of these images to load with the page but rather just to load when the relevant DIV is selected. (All but 1 DIVs are hidden initially.)
By default, is this the case? Or can I use a function to not allow the images to load until I tell them to?
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Feb 6, 2006
I use the code to load image:
document.getElementById("screen").src = "Images/img1.jpg";
The issue is the image's size is about 9Mb. So I want to display the waiting mess while loading. Which "event" that notify "complete loading" that I can use?
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Oct 18, 2006
I have an image that I want to delay the load of by 3 - 5 seconds. I've found tons of stuff on how to preload images, but nothing on how to delay the load of images.
I think this is something I can do with JavaScript and the setTimeout function. (If it's not, just direct me to the correct forum.) However, this is the image code and I just need to delay it loading:
<a href="http://www.website.com"><img src="http://www.website.com/image.jpg" class="imgclass" /></a>
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Feb 21, 2010
How can I add loading image into this script?
var xmlhttp;
function showUser(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
[Code]...
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Jul 23, 2005
I need to delay something either an image or a table from loading for 2-5
seconds. So far I have not find a good method.
I need the rest of the page, even the codes after the delayed image, to be
displayed in real time.
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Jul 20, 2005
I am handing a string as a parameter pImage = "Images/Available.jpg"
If this image is NOT available I would like to load Images/NoImage.jpg.
Unfortunately the following code does NOT work.
obj.write('<p><img src=' + pImage + '
border="0"></p>');
Where is my mistake ?
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Feb 11, 2011
I have written some JAVA code that pulls and image from a DB and writes out the byte stream.When I call the URL directly I can see my image, however when I use something like:
function loadImage(filename) {
$(document).ready(function() {
alert('loadImage Called with ' + filename);
[code]....
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Aug 19, 2011
I am attempting to stop the loading and replace images with processed ones using the below code, the problem seems to be that even though I am removing the src attribute the original image still loads.
[Code]...
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Jun 11, 2011
I am using a slideshow and want to basically have an 'image loading' whilst all the images load before the slideshow. Is there a way to do this? So far I have figured the best way around this is to have a GIF as a background image that says the loading message, and then once the slideshow loads over the top its fine, however im guessing this is'nt the right way to do this. I am using this slideshow set to just loop:
[URL]
I am open to using other similar slideshows if there is one more suited.
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Sep 15, 2011
I am an asp.net developer and I wanted to display user popup (kind of) which freezes the screen so that user won't click anything else on the screen. There are some predefined controls in asp.net, but I wanted do this using Javascript.
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Jul 27, 2010
I have a small application that tries to launch a slide show for a set of pictures (jpg). It is implemented by a timed ajax routine to get the next picture filename and updating the image src field to show the next picture. The problem is that the actual down load varies significantly in time, based mostly on a clients access speed and the resolution size of the picture. Since all this happens asynchronously, the delay time routine gets invoked and is exhausted before the download is completed in many cases. Is there any way to start the new src coming and then detecting/waiting when it is complete?
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Apr 9, 2009
I'm having trouble showing a loading image between loads but only in IE.
Code:
function PreLoad(){
cookie = new Image();
cookie.src = "loading.gif";
[Code]....
When a user clicks the button it references ShowImage() - PreLoad is used when the body loads. This works find in Mozilla browsers, but not IE. How can I get the loading graphic to show in IE?
(ShowImage() loads a dynamically generated image, and there is a brief pause before it is show -- that's why I need the loading graphic). I've tried Google but to no avail.
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