Intended Audience

This video helps to advanced and begginers to understand the AJAX principles, not only using a copy/paste chunks of code. How to estimate performance of an AJAX applications, as well as design the performance from the very beggining of application’s development.

Overview

Douglas Crockford speaks about the differences between browsers, the DOM problem. How to design the performance, and how to test it. It’s better to test on different (slow) machines, which will help to estimate the application better.

Definitions

  1. YSlow – YSlow analyzes web pages and tells you why they’re slow based on the rules for high performance web sites. YSlow is a Firefox add-on integrated with the popular Firebug web development tool.
  2. Code convention – as Douglas Crockford recommends, and I completely agree there is a JS convention and you can find it here.

About the author

Douglas Crockford is a JavaScript architect in Yahoo!. See more on wikipedia.

Related posts:

  1. Douglas Crockford – State of AJAX
  2. Douglas Crockford – The JavaScript Progamming Language (part 2)
  3. Douglas Crockford – The JavaScript Programming Language (part 4)
  4. Douglas Crockford – Theory of the DOM (part 2)
  5. Douglas Crockford – The JavaScript Programming Language (part 3)