How Can Selenium 4 Simplify Automating Shadow DOM Elements?-JS Tutorial-php.cn

How Can Selenium 4 Simplify Automating Shadow DOM Elements?

Linda Hamilton

Release： 2024-12-05 15:39:13

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How Can Selenium 4 Simplify Automating Shadow DOM Elements?

Automating Shadow DOM Elements Effortlessly with Selenium

When automating web pages featuring intricate multi-level shadow DOM elements, Selenium's traditional findElement method may fall short. However, with the advent of Selenium 4, a breakthrough solution has emerged: WebElement.getShadowRoot().

Consider a web page with the following DOM structure:

<body>
  <div>

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To interact with the input element within the shadow root, we can now utilize the following Selenium 4 code:

WebElement parentElement = driver.findElement(By.id("parent-element"));
WebElement shadowRootElement = parentElement.getShadowRoot();
WebElement inputElement = shadowRootElement.findElement(By.cssSelector("#my-input"));

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This approach eliminates the need for tedious JS Executor methods or unreliable deep CSS selectors. Furthermore, it allows for more straightforward and maintainable automation scripts.

It is important to note that within a shadow root, the choice of locators is restricted. For instance, in Chrome, By.cssSelector() and By.className() are valid options, while By.id() and By.tagName() may result in an InvalidArgumentException.

With Selenium 4's WebElement.getShadowRoot(), automating shadow DOM elements has become a seamless process, empowering developers to test complex web applications with ease.

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