Rated 4 out of 5 stars

ద్వారా Grubshka పై సెప్టెం. 11, 2009 · పెర్మాలింక్

Very good addon.
It would be nice to have a colored output, and/or to have a "shell" mode : I use it a lot for debugging so it's nice to have the result just under each typed line, like in the JS Shell of Extension's developer extension.