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ES.next needs You! 8 May 2012 | 05:00 am
The next JavaScript specification is moving towards completion. TC39, the technical committee charged with creating ES.next (also known as ES Harmony, and sometimes ES 6) has already tentatively appro...
JavaScript Fat City 9 Apr 2012 | 07:01 pm
It’s official! We’re getting a new function syntax! The TC39 group (the panel charged with delivering ES 6) has reached consensus on an abbreviated syntax for JavaScript function expressions. Its popu...
Extending JavaScript Natives 5 Dec 2011 | 10:01 pm
Most built-in JavaScript types are constructors whose prototypes contain the methods and other properties that define their default behavior: You can’t delete or replace a native prototype, but you ca...
Fixing the JavaScript typeof operator 8 Aug 2011 | 07:01 pm
Working with JavaScript’s typeof operator is a bit like operating a clapped-out old car (or an early model Dell Inspiron). It gets the job done (mostly) and you learn to work around the quirks – but y...
Waldo: Search the JavaScript Object Model in under 1 KB 11 Jul 2011 | 07:01 pm
Here’s a tiny util that you can save as a bookmarklet and use to crawl the JavaScript object model of any web site. Waldo (thanks to @shinypb for the name!) lets you find and inspect instances by name...
A fresh look at JavaScript Mixins 31 May 2011 | 07:01 pm
(Japanese version) In this article I’ll explore JavaScript mixins in detail, and introduce a less conventional, but to my mind more natural mixin strategy that I hope you’ll find useful. I’ll finish u...
JavaScript Strict Mode 3 May 2011 | 07:01 pm
The fifth edition of the ECMAScript specification introduced Strict Mode. Strict Mode imposes a layer of constraint on JavaScript – intended to protect you from the more perilous aspects of the langua...
The JavaScript Comma Operator 4 Apr 2011 | 07:01 pm
(на русском, 日本) Let’s begin with a funny tweet: The ‘c’ at the end is for the lowly comma operator. Last in the line of operator precedence and rarely documented, the comma operator hides its light...
Rethinking JavaScript Object Enumeration 28 Feb 2011 | 09:01 pm
In JavaScript, enumeration across regular (non-Array) Objects is often more painful than it should be. Arrays are merrily dispatched through for and while loops using all manner of crazy, fun techniqu...
Truth, Equality and JavaScript 7 Feb 2011 | 09:01 pm
You don’t have to be a JavaScript novice to get confused by this… or this… The good news is that there is a standard and all browsers follow it. Some authors will tell you to fear coercion … Con...
