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There are plenty of times when you want to see something closer, to get a good look at the texture of a sculpture, or find out if that's a reflection or a scratch on that used car you're looking at. Seadragon, implemented as the Deep Zoom feature of Silverlight, allows you to do that. But what if you're not using the Silverlight platform? That's what Seadragon Ajax is for. Seadragon Ajax, written from the ground up in JavaScript, gives you the ability to add a Deep Zoom viewer into your blog, web site, or even your eBay listing. Just like this

I'm sure you all know that it's possible to create plugins and extend various aspects of the jQuery JavaScript library but did you know you could also extend the capabilities of it's selector engine? Well, you can! For example, you might want to add a new ':inline' selector which will return those elements that are displayed inline. Have a look:

This example uses the json format and a callback function to easily embed the live status of your channel directly into your website.

When used effectively, JavaScript debuggers help find and squash errors in your JavaScript code. To become an advanced JavaScript debugger, you'll need to know about the debuggers available to you, the typical JavaScript debugging workflow, and code requirements for effective debugging. In this article, we'll discuss advanced debugging techniques for diagnosing and treating bugs using a sample web application.

nice form validation in mootools

Welcome to the home of Jx, a javascript library for creating graphical user interaces based on the fabulous MooTools library. This site provides access to the library as well as extensive documentation and examples. We've tried to provide a complete set of documentation and examples but there are surely some areas that are lacking. Please contact us on the mailing list if you find errors, omissions, or something you think could be done better.

If you're looking to execute javascript code whenever someone finishes (or stops temporary) scrolling, moving the mouse, or resizing the page, you may find the following segment of code useful.

I know you are probably thinking that this will be some silly thing, but this idea that Thomas Landauer came up with is by far the best I've seen in a long time. Add CSS-hidden fields that a user won't see, but a spam-bot will fill. Then using php check if they were filled, and if they were: block the spammer!

How I use captcha without making my users complete the barely readable word

Creating complex web applications demands organization and modularization. Modularization introduces a new problem - the comunication pipes between components. This is a serious challenge for developers, as more components and widgets mean more pipelines and more dependencies. In this article, we'll look at a technique to mitigate these issues: Creating an abstraction layer to moderate the comunication between the components and widgets in a web application. This technique is based on YUI and makes use of my Bubbling Library, which is a BSD-licensed superset of functionality that builds on top of the YUI foundation.

A 'FREE' web master tool that allows you to see what is being copied from your site and benefit from the additional traffic generated by each copy. Built with Javascript

The Lightbox Clones Matrix This tool lists a number of javascript scripts designed to embed various objects in HTML pages, such as images, flash animations, movies and iframes. Comparison of various scripts that display images and other objects in somehow cool CSS popups

Performance of the User Interface of websites in browsers (multiple results)

Autocomplete was one of the first Ajax patterns to come about. We often talk about how it looks, but the how it works part is what really matters. How smart is the algorithm to work out what you are completing against? How long do you go before you kick in to see a result? Does it narrow enough?

Excellent blog

This is the page giving informations about the new polemus widget in english

External JavaScript files block downloads and hurt your page performance, but there is an easy way to work around this problem: use dynamic scripts tags and load scripts in parallel, improving the page loading speed and the user experience.