I believe the navigation of a website should always be simple. However, if a website has many pages and sub pages, the thought of navigation simplicity goes out the window. This is where drop down menus come into play. A good and well executed drop down menu can make navigating a large site easy for the user. While drop downs make site navigation easy, sometimes they can seem difficult to implement, but the solutions listed below are all a breeze to set up, especially since most of them are built on jQuery or MooTools.

WebサービスのAPIとかを利用する際に、JavaScriptによる非同期通信（Ajax）で通信しようとすると、必ずと言っていいほどクロスドメインの問題にぶち当たる。

最近ではJSONPに対応しているAPIも多くなってきたが、それでもまだSOAPやRESTによる、XML通信が大半を占めているのが現状である。

戻り値がJSONPによる通信の場合はクロスドメインを意識しないで済むが、そうじゃない場合はそうはいかない。

つまり、別ドメインの場合はJSONPを使用しない限りは、JavaScriptのみでのAjax通信は不可能ということになる。（ブラウザの仕様）

JavaScriptのウィジェット作成や各種メニュー作成等、便利なチュートリアル集のまとめ。
ここ最近で巡回したもので便利そうなチュートリアルを以下にまとめてみました。

沢山あるので使えそうなものだけ覚えておくとよいかもしれません。

Growl-like notifications seems to be a usable way to inform users about the status of their actions. There are many jQuery plugins that provide this kind of functionality and here’s a list of 6 growl-like notification scripts.

Animated sliding effects can if not used wrong or to much add excellent dynamics and uniqueness to websites. They are often seen as components that give access to multiple featured articles in an elegant and very space optimized way. Generally sliding effects are created using CSS and Javascript and typically javascript frameworks like jQuery and mootools are used to make the code more robust and compatible.
In this article tripwire magazine present more than 25 techniques for sliding and scrolling content, a must have collection for Web Developers!

Review of 10 jQuery datagrid plugins…

JavaScript/Ajaxフレームワーク「Ext JS」を使えば、使い勝手のいいユーザーインターフェイス（UI）を、短いコードを書くだけで実装できます。前回の記事では、Ext JSのウィンドウ内にGoogleマップを利用した地図を表示する方法を紹介しました。今回は同じウィンドウに、地図の種類（航空写真や地形など）を選択 できるオリジナルのメニューを組み込んでみましょう。

Today millions of websites and servers across the Internet are powered by PHP. Originally created by Rasmus Lerdorf in 1995 so that anyone can easily create a Personal Home Page; PHP has come a long way and is now widely used as general purpose scripting language that is suitable for majority of web development projects.

No databases, no programming, no headaches. A simple javascript shopping cart in under 20kb that you can setup in minutes. It’s lightweight, fast, simple to use, and completely customizable. All you need to know is basic HTML.

Narwhal is a cross-platform, multi-interpreter, general purpose JavaScript platform. It aims to provide a solid foundation for building JavaScript applications, primarily outside the web browser. Narwhal includes a package manager, module system, and standard library for multiple JavaScript interpreters. Currently Narwhal’s Rhino support is the most complete, but other platforms are available too.