Software As She's Developed - Lessons in Javascript Performance Optimisation: 90 seconds down to 3 secondsLessons in Javascript Performance Optimisation: 90 seconds down to 3 seconds 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 easy to introduce a loop to create
