Testing Shadow DOM elements in Selenium

Introduction Shadow DOM is a relatively new addition to the W3C spec which enables web developers to create isolated and reusable components. While there are major benefits to using Shadow DOM, one of the historic drawbacks has been poor testing support. In this article, we’ll cover how to access and manipulate Shadow DOM elements within Selenium tests, both via the new native support for Shadow DOM in Selenium 4, as well as using workarounds that are compatible with older versions of Selenium.