Jacob Seidelin finishes up his binary meme with a post on reading image metadata with JavaScript via a library that groks EXIF data.

It tries to detect the format of the image file and then reads the header and pulls out information about dimensions and color depth among other things. If the EXIF data library is included, it will also …

John Resig is working on a new selector engine called Sizzle:

This is a new selector engine that I’m working on.
It’s a work in progress! Not ready for use yet!
It’s definitely not ready yet (got some minor outlier bugs in the standards-compliant browsers - and a bunch of major bugs in IE still left to tackle) but the results are …

Jacob Seidelin is up to more tricks, this time playing with the binary side of life and writing a library that can reading ID3 tags from MP3 files and such.
PLAIN TEXT
JAVASCRIPT:

// URL of the mp3 file (must be on the same domain!)

var file = “mymusicfile.mp3″;

// define your own callback function

function mycallback() {

 // either call the ID3.getAllTags([file]) function which …

LiveValidation is a small (12k) open source javascript library that makes client-side validation less painful. Users can fix form errors as they type, without a need for a page refresh. It’s robust, free, and awesome.

Paul Bakaus, or jQuery UI fame, has created a nice little hack to implement WebKit CSS transforms in IE

When you include the library, it can scan for your -webkit-transform-* transforms (soon to support the standard transform-*) and will go to work for you using a couple of nifty technologies all put together:

IE Filters such as DXImageTransform.Microsoft.Matrix …

The Yahoo! User Interface Library (YUI) is a set of JavaScript utilities and controls, for building interactive web applications. The YUI Tab View is part of that vast library - - it help you to quickly create and design Tab Menus.

YUI 3 has a preview release for us to check out.
The goals are:

lighter (less K-weight on the wire and on the page for most uses)
faster (fewer http requests, less code to write and compile, more efficient code)
more consistent (common naming, event signatures, and widget APIs throughout the library)
more powerful (do more with less implementation code)
more securable (safer …

I discussed my worries about JavaScript 2 recently. I could only do so as I saw some light at the end of the tunnel. That light came from an ECMA meetup in Oslo where it seems people came together to rally behind the idea that something needs to be done.
Brendan Eich posted to a mailing list on the work, …

Sparklines are a data visualization technique for displaying the temporal evolution of one or more variables in an extremely compact form. This describes a Javascript library for producing such plots.

The idea of utilizing any part of your HTML document as template to render data purely with JavaScript and CSS has been realized with Pure library.

The image transition manager is a javascript library based on scriptaculous and prototype. It supports several image transitions, such as fading, appearing, sliding, growing and shrinking. Because it uses the unobtrusive javascript technique, no inline javascript is needed and hyperlinks still function when javascript is disabled.

This talk will delve into the secret techniques used by JavaScript library authors to create comprehensive libraries that work seamlessly across browser environments.

Raphaël is a small JavaScript library that should simplify your work with vector graphics on the web. In case you want to create your own specific chart or image crop-n-rotate widget, you can simply achieve it with this library.

Raphaël is a JavaScript library that facilitates using & creating vector graphics in websites.It uses SVG & VML for creating graphics. As every graphic generated is a DOM object, you can manipulate them via JavaScript.

Dmitry Baranovskiy of Atlassian has created Raphaël “a small JavaScript library that should simplify your work with vector graphics on the web. In case you want to create your own specific chart or image crop-n-rotate widget, you can simply achieve it with this library.”

Raphaël uses SVG and VML as a base for graphics creation. Because of that every created …

JSBridge is an incredibly alpha, but interesting new project, lead by Mikeal Rogers, that bridges Python and JavaScript with respect to Mozilla. It uses mozrunner, the Python library that can power Mozilla applications (e.g. Firefox).
Once you fire up jsbridge MozRepl will kick into gear, and you will be able to interact across the bridge. “This includes JavaScript < …

A cool library that lets you compress your CSS and JavaScript files. You can even integrate it with MsBuild!

ProtoChart, an open-source library that makes it relatively simple to create a variety of charts on the client side, rather than manufacturing them on the server side and then sending them to the browser via HTTP. ProtoChart supports line, area, bar, and pie charts, among others, and is controlled by JavaScript.

Explains the problems involved with opening up your API to JavaScript, provides a library to make it easy for sites to provide a secure way to expose their API to JavaScript.

ProtoChart is a new opensource library using Prototype and Canvas to create good looking charts.
Features

Line, bar, pie, curve, mix, and area charts available
Multiple data series on same graph
Legend support
Customizable grid, grid border, background
Customizable axis-tick values (both x and y)

Check out a live demo of ProtoChart at work.

…

A clever image gallery, using prototype javascript library (same as what apple have used), still in development, which makes me wonder if he is using Apples scripts?

Photo pages created in iWeb have been rendering incorrectly in Firefox 3 because of a Javascript library called Prototype that was extended in ways that conflict with the implementation used by Firefox 3. The result in iWeb is what you see–or, rather, don’t see. Fortunately, there’s a fix.

“JavaScript Reference Guide” eBooks This reference describes the objects and commands in the Adobe Photoshop CS2 JavaScript type library. A companion document, Photoshop CS2 Scripting Guide, describes basic scripting concepts and the Photoshop object model.

Kellan from Flickr, and Evan from ENTP gave a talk at OSCON on building data services with XMPP which gave plenty of examples including notes on OAuth.
We have written about Jabber in JavaScript, and as XMPP continues to grow and grow on the Web, it is good to keep up with it.

…

TabView Widget ini adalah buah dari salah satu library JavaScript, bernama jQuery, yang sekarang kemudian teradaptasi menjadi jQuery UI. Banyak yang bisa dilakukan dengan jQuery ini. Salah satunya adalah untuk membuat TabView Widget. Untuk yang belum mengerti apa itu “TabView Widget”, bisa melihat hasil karya O-OM, atau Hoctro atau bisa melihat di

With a young son, I often listen to the “Reduce, Reuse, Recycle” song by Jack Johnson for the Curious George movie. Edgar Hassler has taken that axiom and applied it to code.
Edgar goes into a lot of detail, including the following issue that he ran into:

The problem I kept having was that I needed to pass information from PHP’s …

Colin Moock has been creating some buzz in the Flash community with his article on the charges against ActionScript 3.0:

The removal of on()/onClipEvent() from Flash CS3 makes creating simple interactivity hard.
Getting rid of loaded .swf files is hard.
Casting DisplayObject.parent makes controlling parent movie clips hard.
The removal of getURL() makes linking hard.
The removal of loadMovie() makes loading .swf files and …

Many developers really like the live scrolling functionality popularized by DZone. As you scroll down the page, a XHR call is made which pulls back data and instantly refreshes and allows you to continue to scroll down almost endlessly. Aaron Conran has built a widget for the Ext JS library which provides this functionality in an easy-to-use …

Brad Neuberg has built a very easy to use client side search tool called PubTools Search using Gears. The project is open source and provides a great avenue to share knowledge on Gears itself.
To accompany the code, Brad wrote a detailed article:

Did you know that you can use Gearsto do fast, client-side searching of …

For this article, you use a Cascading Style Sheets (CSS) and JavaScript library called iUI to handle iPhone content. The iUI library has CSS classes that match Apple’s human-interface guidelines for iPhone, as well as JavaScript to handle sideswipes that mimic the interface of the native iPhone OS applications.

Kent Johnson has released YPulse a simple open source wrapper for the YUI Animation library that makes creating highlight fades and pulsing button glows a bit easier.
You pulse away with something like:
PLAIN TEXT
JAVASCRIPT:

var pulser = new YAHOO.squarebits.YPulse(

  ‘my-div’,

  ‘backgroundColor’,

  ‘#FFFFFF’, // starting

  ‘#FFFF00′, // ending

  0.75, // The number of seconds for the start-end transition

  0.10, // The …

Passpack notified me they have released a library to support Host-Proof Hosting (HPH) development. The library allows anyone to set up HPH on their own infrastructure. It’s mostly a browser-side library powered by JQuery, focused on transferring encrypted data, and there’s also some sample server-side PHP code.

I think the most important part of HPH …

Mapstraction is an open source abstracted JavaScript mapping library. You can write mapping code once, then switch between map providers by only changing two lines. Mapstraction is maintained by a group of geocode lovers who want to give developers options when creating maps.

MooTools is an awesome, lightweight Javascript library. The second major version (1.2) just came out and you want to upgrade, but the backwards-compatibility sucks. I’ve created a custom compatibility file that should solve *most* of your problems; here’s what you need to do…

Dan Morrill doesn’t like JavaScript 2. His reasoning is a little like the folks who don’t want Java.Next to try to copy features from every other language, but to just be the best static language, and let other languages like Scala, Groovy, JRuby (and the hundreds of others like Fan) go in different directions on the same Java platform.
You …

A couple of posts from my personal land that are related to the Ajax world:
First up, I am building an application that uses some canvas and ran into an issue handling events which sent me down a merry path that took me through: initMouseEvent, error fun (Component returned failure code: 0×80070057 (NS_ERROR_ILLEGAL_VALUE) [nsIDOMEventTarget.dispatchEvent…..] ), tabindex=0 (thanks Alex), and …

Mapstaction is a library that provides a common API for various javascript mapping APIs to enable switching from one to another as smoothly as possible. Developers can code their applications once, and ….

qUIpt is a small library that is capable of caching Javascript files inside the users browser - even if SSL is active. qUIpt helps the site owner by reducing traffic costs and the user with faster page loading.

21 Must-Have Scripts For Your Favorite Javascript Library (jQuery, MooTools, Prototype).Each script is categorized based upon the Javascript library they use.

Mario Heiderich has released qUIpt, a library that uses the window.name property to store away useful data, in this case JavaScript.
How does it work?

It checks for the contents of window.name while your page is being loaded.
If there’s nothing inside the window.name cache the JS files defined by you are fetched via XHR …

IE7-JS is a JavaScript library to make Microsoft Internet Explorer behave like a standards-compliant browser. It fixes many HTML and CSS issues and makes transparent PNG work correctly under IE5 and IE6.

Once upon a time, a shiny new release of Opera exposed a rather nasty bug in a very popular JavaScript library: Opera 9.5 didn’t work properly with the TinyMCE editor, causing severe text editing problems in Wordpress’s admin screen, webmail applications and message boards worldwide. How could that happen? Read on…

How to get the Lightview javascript library to play nicely with Ruby on Rails.

I’ve been waiting for an open system to come along that would allow me to build my own applications to put on the TV–that was not a PC! And this one has a Wii-like controller too. It’s based around Javascript which is easy enough to use, and has an entire library of capabilities to allow zoom, pan, hover, and other …

The piece of code we will be writing, using the YUI library (my favorite), will allow users to increase/decrease their font size for a block of text, storing the font size in a cookieso that when they return to the page they don’t have to modify the font size again…

A new Javascript library inspired by Stuart Langridge’s sorttable. Just set’s even interoperable with sorttable: set to get sortable and draggable table columns!

Using prototype & scriptaculous to impressive effect, EasyDiagram — the heretofore asp.net only control — has released a sweet, lightweight javascript library that conjures up some wicked diagramming trickery.

Dan Vanderkam has announced a new component dragtable:

Over the past several years, Stuart Langridge’s sorttable Javascript library has found widespread use. It’s easy to see why. Just add
But sometimes sorting just isn’t enough. What if you want to focus on just one or two of the columns in a table? In a client-side application you could drag …

Our own Christian Heilmann has created a new JavaScript library Autogrid that marries YUI Grids, the base CSS library, to allow for smart resizing:

I love YUI Grids. I know my CSS and I know how to work around diff erent problems of browsers, but I am also very much bored about having to fix and test and create …

The MooTools team recently announced v1.2 of their namesake JavaScript library and hot on the heels of this release is an update to the CNET Clientside MooTools plugin repository.
CNET has a very comprehensive set of controls and widgets that complement the MooTools library that provide such functionality as carousels, slideshows, date pickers …