javascript

The definitive best way to preload images using JavaScript/jQuery?

I'm fully aware that this question has been asked and answered everywhere, both on SO and off. However, every time there seems to be a different answer, e.g. this, this and that. I don't care whether it's using jQuery or not - what's important is that it works, and is cross-browser.] So, what is the best way to preload images? ...

JQuery drag and drop stops working on certain objects?

Hello all, I've successfully been able to make elements (like div's, panel's, whatever) draggable by using this bit of Jquery: <script type="text/javascript"> $(function() { $(".drag").draggable({ revert: true }); }); </script> This works fine for anything that already exists on the page before page_load is done ...

change html text from link with jquery

Hello, a simple question here Is there a way to change the text "click here" <a id="a_tbnotesverbergen" href="#nothing">click here</a> in this link Richard ...

What's the best way to hold an ASP.NET page until long-running operation finishes?

Javascript? Metatag refresh? Response.Redirect (to self) Server.Transfer (to self) Ajax update panel? ...

Prototype Ajax function help when using Starbox (star rating system) plugin..

Hi, I'm using the Starbox plugin on my website and I want to post the vote value when the visitor votes using AJAX.. I read the plugin documentation and tutorials and it's possible using a function like this: function myOnRate(element, memo) { new Ajax.Request('savestar.php', { parameters: memo, onComplete: function(xhr) { ...

unzip strings in javascript

anyone knows a simple JS library implementing the UNZIP algorithm? No disk-file access, only zip and unzip a string of values. there are ActiveX, using WinZIP and other client dependent software for ZIP, written in JS. but no pure algorithm implementation, is it really difficult or non-functional? i would use it for displaying KMZ fil...

How to hijack key combos in javascript?

In gmail, for example, when one presses CTRL+B, instead of it getting passed to the browser (which would normally bring up some sort of bookmark manager), it hijacks it for formatting purposes, i.e. turn on bold formatting for the message ur in the middle of comoposing. Same for C-i, C-u. How is this done? ...

Permission denied to call method Location.toString

I'm using YUI, and sometimes I'll see this "Permission denied to call method Location.toString" error, It's reported in connection.js, I didn't find any clue why this error occur yet. Very strange ...

How do I automatically click a link with javascript?

Hello is there any way to automatically click on a link on my page using javascript? ...

create a pop up window inside function

What my code trying to do is to add new group if it is not yet created,well, that's work fine now however I also want to open a new popup window as soon as the group is created, prompting user to invite other, but I don't seems to get my work working, any idea on how to make it works? thanks <html> <head> <script type="text/javascript"...

Waiting on Lazy Loaded objects without lockup?

I already have code which lazy loads scripts on request. My issue now is waiting to execute certain code until the object becomes available. I can't use a setTimeout() because it does not block execution. So what is a good way to 'wait' for a load, without locking the browser? Again, can't use raw setTimeout(). ...

opening a local file in a webpage using file://

I have a form where user fills up (jsp page). One of the input is of type "file". There is a preview button which will pop up a new window and using javascript to layout the filled up form for display. The "file" input will be display as a hyperlink and when the user clicked on the hyperlink, it is supposed to open the attachment. So if ...

How to embed a Poll in a Web Page

I want to create a simple online poll application. I have created a backend in python that handles vote tracking, poll display, results display and admin setup. However, if I wanted a third party to be able to embed the poll in their website, what would be the recommended way of doing so? I would love to be able to provide a little ja...

Should I always give a return value to my function?

I write JavaScript code and I try to use its functional language nature. In other functional languages (or even in Ruby), if I don't explicitly set the return value of a function, it will return the value of the last evaluated expression. JavaScript does not follow this pattern. (To be precise, JavaScript always returns a value as well....

How to get the html List value through Javascript?

I am trying to get values from html list <li>. <ul> <li><a>Main Menu</a> <ul class="leftbutton" > <li value="List1"><a>Sampe 1</a></li> <li value="List2"><a>Sample 2</a></li> <li value="List3"><a>Sample 3</a></li> <li value="List4"><a>Sample 4</a></li> <li value="List5"><a>Sample 5</a></li> <...

properly disabling the submit button

this is the code that I use to disable the button $("#btnSubmit").attr('disabled', 'disabled') $("#btnSubmit").disabled = true; and this is my submit button <input id="btnSubmit" class="grayButtonBlueText" type="submit" value="Submit" /> the button although looks disabled, you can still click on it.. This is...

Passing Arrays into a jQuery PlugIn

Hi, I am looking at modifying a jQuery Plugin to cater for an additional requirement I need. Sorry, not a programming question, but can you pass an array from javascript into a jQuery plugin, that will maintain all it's information or do I lose the array content between javascript and jQuery Plugin? Thanks. TT. ...

Colums resize when using JQuery UI's toggle in IE

Example code: <html> <head> <script src="jquery-1.3.2.min.js" type="text/javascript"></script> <script src="jquery-ui-1.7.1.custom.min.js" type="text/javascript"></script> </head> <body> <table border="1" style="width:100%"> <tr> <th>1</th> <th>2</th> <th>3</th> ...

How to get the selected label from a html <select> ?

HTML Javascript question to get the selected value of a input-select I can use <select id="gender" name="gender" class="style12"> <option selected="selected">ALL</option> <option>Male Only</option> <option>Female Only</option> </select> document.getElementById('gender').value is there any easy way for me to get the sele...

How is data passed to anonymous functions in JavaScript?

When I pass 'this' to an anonymous function like so: MyClass.prototype.trigger = function(){ window.setTimeout(function(){this.onTimeout();},1000); } I get a "this.onTimeout is not a function"-error. I guess that 'this' is no longer available at the time the anonymous funtion is executing? So I've been doing this: MyClass.prototy...