Cross-Window Messaging. Now in Firefox 3 trunk, the HTML 5 specified ability for JavaScript to send messages between windows (or iframes) hosted on different domains. Fantastically powerful, but must be implemented with care to avoid accidentally processing bad messages from malicious third parties.
Recent articles
- Adding AI-generated descriptions to my tools collection - 13th March 2025
- Notes on Google's Gemma 3 - 12th March 2025
- Here's how I use LLMs to help me write code - 11th March 2025