Simon Willison’s Weblog

9th January 2007 - Link Blog

IE JScript Performance Recommendations Part 3. Once again, Microsoft’s official advice is to avoid closures entirely rather than learn how to use them safely. Sigh.

Posted 9th January 2007 at 11:48 am

Recent articles

LLM 0.32a0 is a major backwards-compatible refactor - 29th April 2026
Tracking the history of the now-deceased OpenAI Microsoft AGI clause - 27th April 2026
DeepSeek V4 - almost on the frontier, a fraction of the price - 24th April 2026

This is a link post by Simon Willison, posted on 9th January 2007.

closures 22 internet-explorer 74 javascript 753 microsoft 129

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe