Simon Willison’s Weblog

How to debug JavaScript with Visual Web Developer Express. Microsoft’s best kept secret: a decent free debugger for Internet Explorer that doesn’t require you to install Microsoft Office.

Posted 2nd May 2007 at 2:06 pm

Recent articles

V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
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

debugging 35 ie 63 javascript 718 microsoft 123 visualwebdeveloperexpress 1

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