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Re:Wat by bitops on Thursday January 26, 2012 @07:02PM (#3516574)
That is extremely useful. Do you know if any testing libraries or other useful functionality have been built around this?

I suppose if you are a WebKit-only developer, this utility could have many useful applications.

Re:Wat by jrockway on Friday January 27, 2012 @11:19AM (#3518789)
There's also mozrepl, which lets you evaluate code in Firefox from the command-line or Emacs.