Summary: Avoid $$(".classname") on large DOMs!!!
I've recently been optimising the guts out of a JS webapp I wrote, which was making IE crawl to a halt. I discovered this after introducing a stress-inducing data set. (Using Rails' fixtures makes light work of this; since the fixtures are Ruby templates just like the web templates, it's [...]
Tags: DHTML·ERb·Javascript·Links·Optimisation·Optimization·Performance·Rails·Tuning
The fourth and final podcast in this series of Ajax Programming Patterns. As always, the patterns are online at AjaxPatterns.org and covered in the book too, now available at Amazon. This 33-minute podcast covers seven patterns of Performance Optimisation:
Browser-Side Cache Maintain a local cache of information. Guesstimate Instead of grabbing real data from the [...]
Tags: AjaxPatterns·DHTML·Javascript·Links·Optimisation·Optimization·Performance·Podcast·Software·Tutorial·Web·Web 2.0
You know AjaxPatterns? It's a wiki about Ajax. Anyway, it's now fully open for editing, but I'll post more about that later. Right now, this post covers a particular pattern that's been sitting in eXtreme Stub mode for some time, and has now got a little flesh to it.
Pseudo-Multithreading (mmmm...just rolls off the tongue) is [...]
Tags: AjaxPatterns·Javascript·Links·Multithreading·Optimisation·Optimization·Patterns·Performance·Threading·Web·Web2.0
