Chrome DevTools Script Features
Script features using CDP.
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While Selenium 4 provides direct access to the Chrome DevTools Protocol, these methods will eventually be removed when WebDriver BiDi implemented.
Script Pinning
ScriptKey key = ((JavascriptExecutor) driver).pin("return arguments;");
List<Object> arguments =
(List<Object>) ((JavascriptExecutor) driver).executeScript(key, 1, true, element); var key = await new JavaScriptEngine(driver).PinScript("return arguments;");
var arguments = ((WebDriver)driver).ExecuteScript(key, 1, true, element); key = driver.pin_script('return arguments;')
arguments = driver.execute_script(key, 1, true, element)DOM Mutation Handlers
driver.get('https://www.selenium.dev/selenium/web/dynamic.html')
driver.find_element(By.ID, "reveal").click() using IJavaScriptEngine monitor = new JavaScriptEngine(driver);
monitor.DomMutated += (_, e) =>
{
var locator = By.CssSelector($"*[data-__webdriver_id='{e.AttributeData.TargetId}']");
mutations.Add(driver.FindElement(locator));
};
await monitor.StartEventMonitoring();
await monitor.EnableDomMutationMonitoring(); driver.on_log_event(:mutation) { |mutation| mutations << mutation.element }
