John Resig - border-image in Firefox
For the upcoming Firefox 3.1 release a lot of work has been going into improving its CSS support (specifically, in relation to the CSS 3 specification). One areas that have received solid implementations is that of border-image. This is a new CSS 3 module that makes the exact slicing of images (and their positioning around an element) quite easy. The most obvious use case for them exists in constr
Learning Advanced JavaScript
Double-click the code to edit the tutorial and try your own code. This tutorial contains code and discussion from the upcoming book Secrets of the JavaScript Ninja by John Resig. Our Goal Goal: To be able to understand this function: // The .bind method from Prototype.js Function.prototype.bind = function(){ var fn = this, args = Array.prototype.slice.call(arguments), object = args.shift(); return
John Resig - JavaScript iPhone Apps
I’ve been watching, with interest, developers create new applications for the iPhone. Owning one myself – and being knowledgeable in JavaScript – I’ve been wondering what options there were for creating downloadable JavaScript applications or the iPhone. In doing some research I found a number of solutions, some simpler than others, some requiring more knowledge of Objective-C than others. Before
John Resig - Deep Profiling jQuery Apps
This evening I was playing around with the idea of profiling jQuery applications – trying to find a convenient way to completely analyze all the code that is being executed in your application. I’ve come up with a plugin that you can inject into a jQuery site that you own and see how the performance breaks down method-by-method. Here’s how you can try this plugin on your own site: Step 1: Copy sit
John Resig - Processing.js
As a sort-of reverse birthday present I’ve decided to release one of my largest projects, in recent memory. This is the project that I’ve been alluding to for quite some time now: I’ve ported the Processing visualization language to JavaScript, using the Canvas element. I’ve been working on this project, off-and-on now, for the past 7 months – it’s been a fun, and quite rewarding, challenge. The f
John Resig - How JavaScript Timers Work
At a fundamental level it’s important to understand how JavaScript timers work. Often times they behave unintuitively because of the single thread which they are in. Let’s start by examining the three functions to which we have access that can construct and manipulate timers. var id = setTimeout(fn, delay); – Initiates a single timer which will call the specified function after the delay. The func
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JavaScript Rock Star
http://ejohn.org/apps/jquery2/