Simon Willison’s Weblog

Operation Aborted. Another fantastically obscure IE bug: appending new elements to the HEAD element breaks if a BASE tag is present.

Posted 16th August 2007 at 11:21 am

Recent articles

Video: Building a tool to copy-paste share terminal sessions using Claude Code for web - 23rd October 2025
Dane Stuckey (OpenAI CISO) on prompt injection risks for ChatGPT Atlas - 22nd October 2025
Living dangerously with Claude - 22nd October 2025

bugs 8 ie 63 internet-explorer 25 javascript 723 operationaborted 1 shauninman 2

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