How to accept or deny JavaScript confirmation dialogs in Capybara/Selenium
These methods are available to you:
page.driver.browser.switch_to.alert.accept
page.driver.browser.switch_to.alert.dismiss
page.driver.browser.switch_to.alert.text # the confirmation text
Spreewald Show archive.org snapshot gives you steps like these:
When I confirm the browser dialog
When I cancel the browser dialog
Also see Type text into Javascript prompt dialogs in Capybara/Selenium.
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