Mike Alsup builds up to an elegant plugin development pattern for jQuery plugins, starting with requirements and adding a piece at a time. By explaining the reasoning and though behind each piece of the puzzle, it explains a number of important good parts of the JavaScript language
Christian Heilmann compares the Object Literal to Douglas Crockford's Module pattern and finds that the Module pattern fixes a major problem of the object literal - the difficult choice of using this or fully qualified references to functions in the same block. Christian also covers the improvements in the Module Pattern, like the decluttering of the return block, which makes the resulting a little easier to work with.
Eric Miraglia explains Douglas Crockford's Module pattern, a way of creating encapsulated JavaScript functions that offer private and public methods and properties. It uses an anonymous function that returns an object containing our methods, and avoids the big issue of cluttering up the global namespace with global functions. Its based on the Singleton pattern.
A BetterExplained article that discusses how to reduce the initial load time of JavaScript files. Covers measuring load times, and a number of approaches to delaying the loading of a JavaScript file. Also covers minifying JavaScript and maintaining a debug version of code. Also covers an AJAX onLoad pattern to dynamically include JavaScript after page load, and HTTP caching of external JavaScript files