A Better jQuery In-Field Label Plugin
This is a pretty nice effect, and it can really help to save space on forms. There are a billion different ways to implement this, and I don’t suggest you use the example from above because that was just a quick way to show the effect. So let’s walk through a couple of different implementation approaches and figure out the best way to implement this feature.

JavaScriptMVC is an open-source framework containing the best ideas in enterprise JavaScript development. It guides you to successfully completed projects by promoting best practices, maintainability, and convention over configuration.

PEG.js – Parser Generator for JavaScript
PEG.js is a parser generator for JavaScript based on the parsing expression grammar formalism. It enables you to easily bulid fast parsers which process complex data or computer languages. You can use it as an underlying tool when writing various data processors, transformers, interpreters, or compilers.

PhoneGap
PhoneGap is an open source development tool for building fast, easy mobile apps with JavaScript.

JavaScript Shell
A command-line interface for JavaScript and DOM.

WireIt is an open-source javascript library to create web wirable interfaces for dataflow applications, visual programming languages, graphical modeling, or graph editors.

In this article I am trying to present some of the techniques out there that I have discovered. The patterns I would like to mention are the following:
- The Old-School Way
- Singleton
- Module Pattern
- Revealing Module Pattern
- Custom Objects
- Lazy Function Definition

Compare JavaScript frameworks
Modern Web sites and Web applications tend to rely quite heavily on client-side JavaScript to provide rich interactivity, particularly through the advent of asynchronous HTTP requests that do not require page refreshes to return data or responses from a server-side script or database system. In this article, you will discover how JavaScript frameworks make it easier and faster to create highly interactive and responsive Web sites and Web applications.

QUnit, developed by the jQuery team, is a great framework for unit testing your JavaScript. In this tutorial, I’ll introduce what QUnit specifically is, and why you should care about rigorously testing your code.

CoffeeScript
CoffeeScript is a little language that compiles into JavaScript. Think of it as JavaScript’s less ostentatious kid brother — the same genes, roughly the same height, but a different sense of style. Apart from a handful of bonus goodies, statements in CoffeeScript correspond one-to-one with their equivalent in JavaScript, it’s just another way of saying it.

The following JavaScript experiments demonstrates the amazing capabilities of the modern browsers such as Chrome and Safari. In this post I will showcase to you an array of experiments that will surely blows your mind off.

Online javascript beautifier
This little beautifier will reformat and reindent bookmarklets, ugly javascript, unpack scripts packed by the popular Dean Edward’s packer, as well as deobfuscate scripts processed by javascriptobfuscator.com.

Enter your HTML Entity Character number (such as &#2335 or just 2335 – ?) to get the CSS and JS values for that entity.