querySelectorAll in Firefox 3.1. John Resig benchmarks the various JavaScript libraries’ support for querySelelectorAll, and finds an impressive 2-6x performance improvement over native DOM traversal. It’s worth clicking through to John’s experimental plugin for adding support to jQuery, which does a clever trick using __proto__ to convert the collection returned by querySelectorAll in to a jQuery object in browsers that support it.
Recent articles
- Highlights from the Claude 4 system prompt - 25th May 2025
- Live blog: Claude 4 launch at Code with Claude - 22nd May 2025
- I really don't like ChatGPT's new memory dossier - 21st May 2025