Dynamically Cache Images For Offline Usage?
Dec 6, 2011
I have this web-app which can also be used offline. However, some content is dynamic (it depends on the user input). What I do now to have it accessible offline, is to store this content into localStorage. However, this works great for text, but what about images!
I've seen examples on the web where the base64 representation of the image-data is used, which is text and can be stored. But how do you get the Base64 of raw image data client-side ?
What would be the preferred way (Assume we don't have a File API) ?
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Oct 15, 2010
Where can I get javascript documentation for offline usage?
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Apr 11, 2010
I'm having an issue getting jQuery to load from a local file system. My head links are:
<script type="text/javascript" src="js/jquery-1.3.2.min"></script>
<script type="text/javascript" src="js/jquery-ui-1.7.2.custom.min.js"></script>
<script type="text/javascript" src="js/jquery.scrollTo-min.js"></script>
<script type="text/javascript" src="js/jquery.localscroll-min.js"></script>
<script type="text/javascript" src="shadowbox-3.0.3/shadowbox.js"></script>
<script type="text/javascript" src="js/myscripts.js"></script>
This works fine when served from my server via http. However, I want to load this entire site (including all linked js/css files) from a local filesystem for offline usage. When I move the project to a local filesystem, the browser throws a bunch of errors from the secondary scripts (like jquery-ui) which indicate that the main jQuery lib isn't loading (ie.ReferenceError: Can't find variable: $). This behavior is consistent across IE7/FF3/Safari4Mac.
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Aug 20, 2009
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body bgcolor="#ffffff" text="#000066"> I'm working with some large images that are in markup but being
processed into queued animations. If image is already loaded but I call $load will it pull image from
browser cache? I want to use the success to do some size processing
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Sep 13, 2010
The code below creates images based on a json feed, no problem. All images are created and the click function works perfectly, but... I can't access any of the images by their id's so I can't make thefunctionbehave as I wan't.
I first thought jQuery appended my image object as html and didn't insert it as a valid object in the dom, but as the click function is working that can't be it?
I found some other people had the same problem but they were using vanilla js, their solution was using .appendChild() but thatdoesn'twork in jQuery.
$.each(json.hotgames, function(i, item) {
var image = $('<img>')
.attr('id', item.uuid+':'+item.lane)
.attr('src', 'xxx')
[Code].....
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Mar 30, 2006
While testing my pages in IE and Firefox, I have noticed that when I
remove an image from the DOM before it has finished downloading in IE,
that the status bar gets stuck at Downloading Picture https://....
Which means the page never finishes loading, I have tested by just
making the images style.display = "none" and I no longer get the error,
but since this is an AJAX app, that would just leak memory as images
would never get deleted when people traverse the web app. Has anyone
else experienced this behavior or have a possible solution?
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Jan 25, 2011
Malsup's cycle plugin - can the image set being cycled through be changed on-the-fly? e.g. a user clicks on a thumbnail A and cycle shows A's images, clicks on thumbnail B and see B's images etc.
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May 2, 2011
I have a page that contains images, and those images are displayed in a fancybox window when they are clicked. Some of these images are loaded dynamically after the page loads via AJAX.
All of the images exist inside of link tags with class="challenge_image_gallery". The code works the way it should on the images that are initially loaded on the page. However, when the new images are loaded onto the page using AJAX, the fancybox window loads two instances of the image that was clicked on rather than one as it should.
Here's the code I'm using:
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Nov 20, 2011
The following code adjusts the opacity of an image which were dynamically loaded. It works on all browsers except for IE6.However, jQuery did apply inline styles "FILTER: alpha (opacity=30); ZOOM: 1" on the image. It just doesn't work.
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Nov 20, 2011
The following code adjusts the opacity of an image which were dynamically loaded. It works on all browsers except for IE6. Is there a workaround?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
[code]....
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Oct 7, 2005
A colleague is having difficulty getting JavaScript to work in a webpage he's viewing offline in IE6. Apparently JS is enabled & works in webpages viewed online. Are there any obvious remedies?
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Jun 24, 2009
I'm going to be out in the middle of nowhere this weekend but I need to study. No internet but I can still use my laptop. "Study" for me involves taking lots of practice tests on a site that uses JS for it's online tests. Can I save these for later reading somehow?
This application looks neat but I don't think it works on JS. [URL]...
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Jul 20, 2005
I've got an online system which I'm interested in making available
offline - i.e. letting the user download certain HTML forms, fill them
out offline, then the next time he logs into the site, sending all the
data he filled out to the system. However, I can't seem to come up
with a good way to do this. I thought of using cookies (that'd be
great, since the system could detect them automatically), but it seems
I can't set cookies for my server offline; it has to be from a page on
the server itself. And from what I can tell, JavaScript doesn't have
the capability to write files on a local system either. Does anyone
have any ideas about how to go about this using JavaScript?
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Jun 18, 2009
What solutions would you guys recommend for storing data on the client? Is there something better than cookies? I've heard about the flash data storage, but, in my opinion, using flash for something as basic as client-side data caching is like using a sledge hammer to kill a fly.
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Nov 2, 2010
If I want to run javascript of a website offline on my PC, what should I do? It seems that I should save all the website content and scripts in a MHT file with IE, then run the MHT file. e.g. for the [URL].. website, if I save all the website content and scripts in a Webpage complete HTML file, then the five images will stop rotating offline.
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Nov 12, 2004
Need some possible technical solutions to my current project. Im in the middle of creating an 'offline' photo gallery website (on CD). Quite simple, but the challenge is how I can build an offline ordering process which
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Does anyone have any tips on the best way to do this?
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Jun 13, 2011
I'm using this script to call the correct mp3 for a web page.I need this (or something like it) to work when the html pages are being viewed from a CD instead of online. It works fine in IE8 (after I allow it to run) but I need it to work in Firefox as well. Right now Firefox just tells me that it cannot find a suitable plugin.
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Nov 2, 2009
i have this site everything works perfect offline(local) but when i put it on my server theres a few things that mess up. What isnt working.. I have a little readmore link beside a main quote on everypage and this uses ceebox to open it. Within this lightbox it shows an html page that i made with just a little write up, at the bottom is a little nav and onclick it should be opening the corresponding hidden div while closing the lightbox. this works offline perfect, i cant seem to figure out why it wont once uploaded. I have gone over all folder names, etc and im positive this isnt the problem. this is the main page html snippet with the read more link
Code:
<div id="header-fade">
<div class="header_paragraphs panel" id="header-1" style="z-index: 0;">
<div class="header_p_1"><p class="header-p">AAAAAAAAAAAAAAAAAAAAAA</p></div>
<div class="header_p_2"><p class="header-p">AAAAAAAAAAAAAAAA</p></div>
<div class="header_p_3"><p class="header-p">AAAAAAAAAAA</p></div>
<div class="header_p_4"><p class="header-p">AAAAAAAAA</p></div>
</div><!-- Header P's -->
[Code]...
again it all works offline but as soon as i uplaod it to my server the nav inside the lightbox doesnt seem to work.
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Apr 7, 2006
Does anyone know of a javascript way to have an html page check to see if it is being used on or offline?
Basically, I have some html pages that I want to place on a CD and display in a browser offline, but I don't want them to display from a domain online. (Yes, I know that sounds nuts.)
I imagine the code would check on loading that the page was being displayed online - from a domain (that should be possible???) - and redirect to another page if so.
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Oct 25, 2011
I have a introduction webpage, which I wanted to supplement with a background slideshow. I chose Supersized slideshow jQuery plugin [URL] , implemented the code in my website. Everything looked okay, when I run the website offline, but when I upload it on the server, there is no background. The website is [URL].
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Jul 23, 2005
The question has to do with the use of popup
windows in a web page. I have heard that popup
windows should be avoided; due to use of popup
blockers and browser that do not process javascript.
Is the use of popup windows bad design?
Will it severly reduce the usage of our web page?
Note, The popup windows are created using only
onClick events, not onLoad or onClose events.
Do popup blockers make any distinction between
the two?
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Sep 23, 2010
I am making a multimedia Cd presentation in Html and I was wondering if there is any way for the index.html to autorun not in a browser, but only in window without any buttons - like a popup widow ?
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Dec 11, 2009
I work for masterclock. We sell network synced clocks and timing systems. One of our products is a "bell ringer." We currently control this ringer through a C++ program another one of our employees made. However, it only works on Windows systems, looks like crap, and is as confusing beyond all get-out. I have been given the task of rewriting this program in a pretty, easy, and universal format. i.e. a browser. Now to further explain the bell system program.
1. The program searches the local network for the bell system hardware.
2. User chooses appropriate hardware (if more than one bell system exists) to connect to and enters the password.
3. User edits tables stored in a local MS Access database via the bell system program UI.
4. User sends data to the bell system hardware it is connected to.
I've been racking my brain and the internet for about 6 hours trying to see what is possible. Because this all needs to be done locally I can't use any sort of server-side language like php or asp. It seems silly to make a client install a virtual server to connect to a file that is on their own computer. I'm assuming that I am pretty much limited me to javascript. I found this site but that only works with internet explorer which is almost as restricting as the program we have now.
I considered flash for a little while until I found out a swf can't connect to a database w/o using php or asp. We aren't limited to the MS Access database but it would be less work for me if we could stick with it. It may not even be possible but it seems like it should work. some way. We also considered an internal site on the bell ringer hardware itself, like routers nowadays. I think that would be an equally if not more difficult process though and I'm limited to about 500kb on its flash memory.
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Apr 28, 2011
I am trying to view my website offline, which I am accomplishing but I need to be view the javascript nav and thats not working. code...
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May 23, 2009
I am trying to create a marketing presentation using an offline website. I want to use an image scroller on the website. The ones that I like require java script. How can I get the java script to work offline? All of my files are in the same directory on my desktop. This presentation needs to be able to be installed on any desktop.
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Jul 23, 2005
Can someone help my syntax?
var z=myForm.myInputTag.value.string().replace(" ","-");
I would expect the above to allow z to take the value of an input tag
(called myInputTag) and replace spaces with dashes...
It doesn't change the string - nor do I get errors in the Mozilla
javascript console...
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