FireBug tip: $1

Since my recent briefing about FireBug, I have been in touch with Joe Hewitt (the extension author) and found out the missing link I had not found out about how to use its Inspect feature via the console. Once you pick a node, it becomes available as $1 from the console, so if you want to register an event handler on something in a page to try out something, you could run $1.addEventHandler(...). Or replace or otherwise process its innerHTML, and so on. Useful.

And it gets better.
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