Simon Willison’s Weblog

Global namespace pollution in IE. Another reason to avoid JavaScript global variables like the plague: IE creates a bunch of them for you which may well intefere with your own code.

Posted 10th October 2007 at 10:10 am

Recent articles

The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025
LLM 0.27, the annotated release notes: GPT-5 and improved tool calling - 11th August 2025

globals 2 ie 63 internet-explorer 25 javascript 718

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