Usage:

Open console and switch to Data Extracter, then call the extract function.

Example:
extract("table tr", ["td:nth-child(0)","td:nth-child(1)"])

Interface:

function extract(itemsSelector:string, fieldSelectors:string[])

function extract(itemsSelector:string, fieldSelectors:string[], url:string, from:number, to:number, interval:number)

function extract(itemsSelector:string, fieldSelectors:string[], url:string, pages:number[])