javascript

Jquery - removing an image before the client browser attempts to download it

Hi there, I wonder if anyone could help me with a problem I've been having. I have a number of large images available, but due to space limitations, I can't create multiple copies of these at various sizes. I have used PHP GD functions to resize the images to the sizes I need and output them to the browser. This works, but obviously tak...

how to handle iframes/frames dom in the iphone uiwebview

in (void) webViewDidFinishLoad: (UIWebView*)webView I inject some javascript to handle the iframes. e.g. stringByEvaluatingJavaScriptFromString: @"try { var document = window.document.getElementsByTagName('iframe')[0].contentWindow.document.getElementsByTagName('frame'); } catch (e) { alert (e.message); }" It t...

Unicode and URI encoding, decoding and escaping in JavaScript

If you look at this table here, it has a list of escape sequences for Unicode characters that don't actually work for me. For example for "%96", which should be a –, I get an error when trying decode: decodeURIComponent("%96"); URIError: URI malformed If I attempt to encode "–" I actually get: encodeURIComponent("–"); "%E2%80%93" ...

Large number array compression

Hi All, I've got a javascript application that sends a large amount of numerical data down the wire. This data is then stored in a database. I am having size issues (too much bandwidth, database getting too big). I am now ready to sacrifice some performance for compression. I was thinking of implementing a base 62 number.toString(62...

Pop up password protect

Please not that I fully understand this is a dumb ass idea, but its not my idea. We need to deter people visiting a certain page on our site. It's written in ASP and I don'tknow ASP! Can anyone tell me how I can have a pop up box load when the URL is visited where by people have to enter a username / password. The user name / passwor...

Create Slideshow with Fade Transition and Navigation

Hello! I am trying to create a slideshow like the one on this site: http://www.marthastewart.com/ However, I would like to use JavaScript and CSS instead of Flash. I would be super grateful for any suggestions on how to do this. I am currently using the InnerFade plugin, which works great for the slideshow part, but I can't figure out...

minimum height problem

Hello, assume I have a such html order <div id="header">>Header(logo, navigation menus etc)will be here, fixed height </div> <div id="content"> Dynamic content with different length will be here. </div> <div id="footer"> Footer of the page here, fixed height </div> Now as you can see, it is only the content div which will be chang...

URL detection with JavaScript

Hi! I'm using the following script to force a specific page - when loaded for the first time - into a (third-party) iFrame. <script type="text/javascript"> if(window.top==window) { location.reload() } else { } </script> (For clarification: This 'embedding' is done automatically by the third-party system but only if ...

Redirect to different site when iPhone/iPod Touch visits?

I'm running Apache2 on Debian 5. I only want it to redirect when someone visits a certain page. Maybe something in JavaScript? ...

On select show multiple divs?

Hi I am trying when a user chooses an airline from dropdown seen here that two additional drop downs appear for departing airport and arrival airport. I have coded it to work when one chooses American Airlines from drop down, but I need different departing and arrival airports to appear for the various a user may choose. Anyone know ...

jquery xml exists

I just want to use javescript /jquery to determine if and xml file exsists I don't need to process it I just need to know that its available or not. can seem to find simple check. thanks Edit trying load here is my code jQuery.noConflict(); jQuery(document).ready(function(){ var photo = '223'; var exists = false; jQuery.load('/...

jQuery Validate: Checked *or* Filled?

required( dependency-expression ) They give an example of required: "#other:checked" but I want my field to be required if the #other field is either :checked or :filled (I don't know whether it will be a checkbox, radio button, or textbox beforehand). How would I do this? ...

ASP.NET Adding Javascript to page if page not secure

Hello, I'm trying to add some share this javascript in between the head tags of an asp.net page but only if the page is not secure (!Request.IsSecureConnection). How do I get the code in the head tags to check for secure connection and then write the javascript if not secure. I've tried using <% %> blocks and RegisterStartupScriptBlock ...

JQuery: $(window).resize() doesn't work on Load

I noticed that the following JQuery code doesn't run on the page load, but instead, it only runs after the page loads and I change the size of my browser window. $(window).resize(function() { ... // dynamically set the height of some div based on the browser viewpoint height }); Question: How do I get the code above to also run when...

JQuery: Tabs - How do you know when a tab has been clicked?

I'm using the JQuery Tabs. I want to fire a function of mine when the user clicks on a particular tab. How do I bind an event to each individual JQuery Tab when clicked? ...

Cleanest way to tell if 3 times are within half an hour of each other

I have 3 date / time input boxes on a form and the user cannot select any times within half an hour of each other. I've converted all values to epoch format using a Javascript implementation of strtotime, but not sure how to recursively check that any of the times are actually half an hour apart. I can hand code all checks, but it woul...

TypeError when applying a textarea's value to a variable

JavaScript var textarea = document.getElementById("textarea").value; HTML <textarea id="textarea" cols="100" rows="10">du hello!</textarea> ...

Do jQuery and JavaScript have different namespaces?

I have this code in jQuery.. $(document).ready(function(){ var fieldCounter = 0; ... I have a jQuery function that increments this value. This works, but I can't access this value on the page from a non-jQuery function? The reverse is also true, if I scope it in JavaScript e.g. <script type="text/javascript"> var fieldCounter = ...

Dynamic editor upload into web page. Need advice

Hello everybody, I am writing intranet site for tracking employees science activities in organization. There lots of editable information on each personal page (science degree, publications & so on) so I upload editor per request (user clicks "edit" and modal dialog with html editor: set of textboxes/comboboxes/autocomplete features & ...

jquery control execution of the callback functions

Function socialbookmarksTableData(data) is called by another function to generate the content of a table -- data is a JSON object. Inside the function i call 2 other functions that use getJSON and POST (with json as a return object) to get some data. The problem is: though the functions execute correctly i get undefined value for the 2 v...