javascript

changing backgroundColor changes border

In IE7, clicking the textbox below changes the border to inset. It works fine in the latest FireFox, but not in v3.0.10 <html> <head></head> <body> <input type="text" readonly="readonly" value="hello" onclick="this.style.backgroundColor='white';" /> </body> </html> Strange quirk. For those with IE8, is it fixed? My workaround is to...

jquery find number of 'li' items in a 'ul' and apply some math to calculate height of 'ul'

Jquery/programming newb here. I'm trying to dynamically assign a height to a ul to force some scrolling. My method is to detect how many items are in the list and then apply some math to calculate a height of my ul (I have tried height(); but it was not giving the right number; the ul is a grid of thumbnail images, displayed inline, show...

jquery actions firing once, but not again

forgive the code being bulkier than necessary, will tidy it up in due course. everything seems to be working and yet, when you click a link after it's content has already been 'active' nothing happens. i'm sure it's something simple but i can't see it. EDIT: the following code now works in FF and Chrome, but does not work in IE8. Any ...

replacing images inplace

I have a array of static images that I am using for an animation. I have one frame image that I want to update the image of and I have seen a lot of tutorials on animating images with javascript just simply update the source of an image. frame.src = animation[2].src; etc When I look at the resource tracking in chrome, it doesnt look l...

Searching for a multiple file upload

Hi, I'm looking for a multiple file upload button. the ones I've found are swfupload uploadify and a jquery plugin: http://www.fyneworks.com/jquery/multiple-file-upload/ I want to integrate it in a django app. ATM the only one which is working without any problems and is in widespread use seems to be swfupload. Am I right or am I ...

Javascript regex grouping question

I want to be able to detect/pick apart strings like : tickets at entrance per person ballons pp tree planting i.e. a description followed by an optional "pp" or "per person" I try (.+)\s+(per person|pp) and that works; but the pp|per person suffix is then not optional. I try (.+)\s+(per person|pp)? or (.+)\s+(per person|pp){0...

How to render partial in page from rails controller without prototype helpers

I'm removing Prototype from my Rails 3 app in exchange for jQuery and trying to figure out how my controller should update part of the html page without using this Prototype helper: page.replace_html( "content", :partial => "day" ) ...

What does a !! in JavaScript mean?

Possible Duplicates: myVar = !!someOtherVar What does the !! operator (double exclamation point) mean in JavaScript? Came across this line of code strict = !!argStrict ... here and wondered what effect the !! has on the line? Pretty new to JS! ...

ExtJS - form failure messagebox

Hi, Im building an app in ExtJS and i have a form with a submit failure function like this: buttons:[{ text: 'Bestil', id:'button_bestil', width:85, handler: function(){ create.getForm().submit({ success: function(f,a){ //do stuff! }, failure: function(f,a){ Ext.Msg.alert('Fejl', 'Error'); } }); ...

jquery validation error Expected identifier, string, or number

Hi Gods, I have a little problem with jquery validation. In IE 6 and maybee in IE 7 i got an error message: Expected identifier.... I minimised my code and it seems, if i cut out the following part, then everything is works fine. Whats the problem? I dont really understand where is the extra comma, so i decided i paste the hole vali...

JavaScript Bitwise operations

Hi, I would like to store all currently-pressed keycodes in a single variable by using bitwise operations when the key is pressed and when the key is released. I'm not sure how to properly use bitwise operations, but I know this will be very simple to someone who does. Once complete, it should be simple to see which key is currently d...

How do I set locale for FBML on old Facebook Connect api?

A website I am working on has to use the Facebook Connect "Old JavaScript Client Library" API (the new "JavaScript SDK" has not yet implemented all the features we need). Additionally, we need to have support for multiple languages. I know that when using the new API, you may specify a locale when you initialize FB Connect (like so): <...

Javacript: how to switch between tabs?

So I created some tab using XUL. How can I write javascript code so that if I click on a button in tab 1, tab 2 will be shown? Thanks ...

Change <body> ID with Javascript from within ContentPage

I'm looking to do a short term hack on a site. The site is a ASP.NET site with a master page. The body tag is in the master page. I'd like to specify which ID should be in the body tag from within various content pages. What I don't know is if you can have this type of access to the body tag when your JS is within the body tag. For...

How can i know if all <img> loaded in div using jQuery

How can i know if all loaded in div using jQuery i want to do this after load all img in #slider div var imgHeight = $("#slider img").height(); alert(imgHeight); ...

jquery submit vs javascript event

I have a button that calls a javascript function after an onclick event is called. This function validates my entries, and then creates an ajax object to populate my table of information. Everything seems to work fine, except when I add this code: echo "$(document).ready(function() { $(\"#newDate\").submit( function() { Valid...

What is this WMD example missing?

Take it easy on me, guys. I have no idea what I'm doing. I cloned the Git repository for the OpenLibrary/WMD fork based on my research that led me to this question. I opened the wmd-test.html file in my browser, thinking it would be a full working example of the WMD editor in action. But all I see are two textareas, which don't appear ...

Is there a difference between (function() {...}()); and (function() {...})(); ?

Possible Duplicate: Location of parenthesis for auto-executing anonymous JavaScript functions? Sometimes I see: (function() { ... }()); and sometimes I see: (function() { ... })(); I see both forms with and without arguments. They both execute the anonymous function. Is there a difference between the two forms? Are t...

changing .innerHtml Property

I am trying to changed the innerHtml property of a label in a js function to update values. I cannot seem to make this work as anticipated, any input would be great! <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"&gt; <html xmlns="http://www.w3.org/1999/xhtml"&gt; <head> ...

Cannot find click observe Element

I have following event on button click I am unable to find element i.e,Source Element in code Event.observe(Generic_Large_Blue, 'click', moZoltarCurrent.evt_ZoltarOnSubmit.bindAsEventListener(moZoltarCurrent, Item_TextArea, PriceInBox), false); evt_ZoltarOnSubmit: function(e) { var sourceElement = Event.element(e)...