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every browser has some good feature: it could be performances, it could be something "not standard yet", it could a feature ready for ECMAScript 5. vice-versa project aim is to bring good stuff from every browser into a single, cross-browser, lightweight, JavaScript file.

This colorPicker is a light weight all-rounder (only ~46k incl. all 16 files) that can display and let you choose the entire color palette (~16.78 mil. colors) in 6 different color modes (+3 extra modes in RGB). This highly customizable and easy to install app comes in 4 different sizes (from 151 x 87 pixels to 405 x 302 pixels) and therefore different feature levels so you can use it for every supposable cause from 'easy choice' to 'professional determination'. That's probably all you'll ever need to let your clients choose the right color.

Build-time error reporting, refactoring and code completion in Visual Studio Extended JavaScript syntax power with C# language features Pure client-side control library coded in C#

Matt Nowack has taken the awesome HTML5 presentation app in HTML5, which is open source, and has created a presentation discussing jQuery 1.4. It is good stuff, using the fact that you can embed the features that you want to show. Just as long as you can hit the right arrow to get through the "look at all the people who use jQuery" part (we get it! lots of people use jQuery!)

JavaScript setTimeout Function - JavaScript Timing Events November 16, 2007 by Blogging Developer JavaScript features a couple of methods that lets you run a piece of JavaScript code (javascript function) at some point in the future. These methods are: * setTimeout() * setInterval() In this tutorial, I'll explain how setTimetout() method works, and give a real world example. You may find the details of setInterval() method in JavaScript setInterval Function - JavaScript Timing Events setTimeout() window.setTimeout() method allows you to specify a piece of JavaScript code (expression) will be run after specified number of miliseconds from when the setTimeout() method is called. Syntax var t = setTimeout ( expression, timeout ); The setTimeout() method returns a numeric timeout ID which can be used to refer the timeout to use with clearTimeout method. The first parameter (expression) of setTimeout() is a string containing a javascript statement. The statement could be a call to a JavaScript function like "delayedAlert();" or a statement like "alert('This alert is delayed.');". The second parameter (timeout), indicates the number of miliseconds to pass before executing the expression. Example An alert box will be shown 5 seconds later when you clicked the button. clearTimeout() Sometimes it's useful to be able to cancel a timer before it goes off. The clearTimeout() method lets us do exactly that. Its syntax is: clearTimeout ( timeoutId ); where timeoutId is the ID of the timeout as returned from the setTimeout() method call.

Javascript Unit testing frameworks list with it's features and which one you should use.

Useful summary of JavaScript OO features and programming

Features: You can enter statements and expressions at the same prompt. The result of each non-void statement or expression is shown. User-defined variables. b = document.body User-defined functions. function f() { return 5; } JavaScript error messages are shown in red. Previous statements and expressions are available through Up and Down arrow keys. Tab completion. Multiline input (Shift+Enter to insert a line break). If the shell is opened using a bookmarklet, JavaScript typed into the shell runs in the context of the original window. Works well in Firefox, mostly works in Opera 8 and in IE 6 for Windows. Suggested uses: Test short bits of JavaScript, bookmarklets, or user scripts. (For longer bits of JavaScript, try the JavaScript development enviornment too.) Explore DOM objects such as document.body using props (Alt+P) to figure out what is possible. Explore the DOM of a specific page using the bookmarklet version of the shell. Modify the DOM of a specific page using the bookmarklet version of the shell. Use the shell like you would use the home screen of a calculator such as a TI-83. Alt+M gives you easy access to math functions such as sin and pow.

* Object.getPrototypeOf * Object.getOwnPropertyDescriptor * Object.keys * Object.defineProperty * Object.defineProperties * Object.create * Object.getOwnPropertyNames * JSON.stringify * JSON.parse * Date.now: Has been in JSC for a long time. * Date.prototype.toISOString * Date.prototype.toJSON * String.prototype.trim * "Array extras": Array.prototype.{indexOf,lastIndexOf,every,some,forEach,map,filter,reduce,reduce

Now Anyone can test your Javascript code by online Free Javascript Editor Tool. Javatpoint added a new feature in his javascript tutorial for beginners.

jQuery: The Write Less, Do More, JavaScript Library