Usage
Open console and switch to Data Extracter, then call the extract function.
Examples
Extract current page:
extract("table tr", ["td:nth-child(0)","td:nth-child(1)"])
Extract pages of sample.com (1-10, interval 1):
extract("table tr", ["td:nth-child(0)","td:nth-child(1)"],"http://sample.com/?pn=${page}",1,10,1)
Extract specified pages (1,3,5):
extract("table tr", ["td:nth-child(0)","td:nth-child(1)"],"http://sample.com/?pn=${page}",[1,3,5])