Archive for JavaScript

JavaScript event compatibility tests

Peter-Paul Koch expanded his set of event compatibility tests (not updated since 2005) to cover some of the newer versions of browsers available today. The results are very useful, and include dozens of bugs throughout the browsers, and lots of tips on things to avoid. Recommended.

Prototip: tooltips for Prototype

Prototip is a cool little project that works well with sites that already use Prototype. Lots of easy ways to implement tooltips in your pages, even while using AJAX.

SWFUpload: upload files via Flash

This is a really cool project that I found out through Jonathan Boutelle’s presentation at SXSW’08 called AJAX and Flash mistakes. That’s basically what they use on Slideshare to upload documents to their system.

It seems pretty useful, and I’m already thinking about using it in a few projects in the future. You can find more details about it on the homepage.

My only concern is that in some scenarios you may want to avoid a hard dependency on Flash, but for consumer sites it seems like a safe choice.

Drip: memory leak detector for IE

I found out about Drip through John Resig’s Secrets of JavaScript Libraries panel at SXSW this year. Unfortunately I couldn’t attend his panel, but the presentation document seems like a good read.

Anyway, Drip is a memory leak detector application for Internet Explorer. It basically runs IE within the application itself, and analyzes the memory usage for any leaks. Seems really really useful, and just by playing with it for a few minutes I already found a couple of pieces of code to fix.

Prototype / script.aculo.us book

We purchased a copy of this book a few months ago when it was still being written, so we got some “beta” copies of it in PDF format. It’s a very good book, with way more detail than what you can find in the Prototype documentation site.

Highly recommended.


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