Ruby code to illustrate main functionality of Watir.

watir_testfile.rb

require 'watir'
require 'webdrivers'

#Start a new session
browser = Watir::Browser.new 
browser.goto ("wikipedia.org")

#Count all the links on the page.
puts browser.links.count

#Find, verify and click specific links
english_link = browser.div(class: "lang1")
english_link.present?
english_link.click 
puts browser.url

#Extract data from web page
puts browser.element(id:'articlecount').text.strip

# Locate a text field, wait, and set text
search_box = browser.text_field(class: "vector-search-box-input")
search_box.wait_until(&:present?).set("sailing yachts")

#Locate button associated with searchbox and execute a search.
button = browser.button(value: "Go")
button.click
puts browser.url

#execute some JS
browser.execute_script("alert('On the page for sailing yachts !')")
browser.alert.wait_until { |a| a.text == "On the page for sailing yachts !" }
sleep 3
browser.alert.ok

#Take a screenshot and close browser
browser.screenshot.save("./my_watir_screenshot.png")
browser.close