ruby - Take screenshot using watir extension element screenshot -

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i using watir web driver, go url , fetch screenshot.

i able take screenshot whole page, unable take particular element. tried watir extension element still not able figure it.

this code

require "watir" require 'watir/extensions/element/screenshot' browser = watir::browser.new browser.goto "http://images.morefrom.co.uk/prodmainimg.aspx?pn=7350022730991&man=multibrackets" browser.screenshot.save 's.jpg'

i want take screenshot of particular image in page there no div, tried

browser.body.img.screenshot.save 's.jpg'

`screenshot': wrong number of arguments (0 1) (argumenterror)

what should doing?

i think have found it

browser.body.img.screenshot("s.jpg")

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