Look how far we’ve come

January 14, 2008 on 9:53 pm | In ajax | No Comments

Paul Irish has put together a nice timeline of CSS selector development, showing all the hard scripting work that has gone into providing this facility. It’s interesting to walk through the iterations — each generation appears to be larger than the prior, but performance is generally improving along with capability and accuracy.

This type of analysis is also interesting at a meta level: Ajax has been around long enough that we can have meaningfully detailed conversations about the evolution of our techniques. We’ve come a long way, and it’s gratifying every now and then to take a step back and look at all the little steps that got us here.

Acid3 for ECMAScript

January 13, 2008 on 2:59 pm | In ajax | No Comments

All star John Resig points out a new Acid 3 test for ECMAScript with the goal of inspiring browser developers to move towards standards by creating competition. The test is still under development, but John ran some preliminary tests across a range of current versions, betas, and nightlies to see where all of the major players stand. Firefox 3 beta is an improvement over Firefox 2. WebKit’s nightly is a huge leap over Safari 3 (the WebKit nightly posted the highest score of all). And IE7 is all jacked up. Hopefully this test is available early enough in the development cycle to get on Microsoft’s radar for IE 8.

So, not specifically performance related, but consistent script support across browsers should lead to slimmer code and should give us more time to focus on optimization. See, I can make anything about performance.

Making Ajax Applications Scream on the Client

January 13, 2008 on 2:22 pm | In ajax, http | No Comments

From Ajaxian, a nice presentation by Cyra Richardson of the IE team at MIX 2007 last year. The presentation covers both network and client side performance, and it should come as no surprise that the client side suggestions are more focused on IE.

Here’s hoping that some of these discussions of IE inefficiencies are finding their way into the design of IE 8.

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