Scrolling in Selenium WebDriver | Scrolling using JavaScript Executor

Handling scrolling in Selenium WebDriver can be done using the JavascriptExecutor class, which allows you to execute JavaScript code.

Here are some examples of how to handle scrolling in Selenium:

1. To scroll to the bottom of the page:

JavascriptExecutor js = (JavascriptExecutor) driver;
 
js.executeScript("window.scrollTo(0, document.body.scrollHeight)");

In this example, the JavascriptExecutor is used to execute a JavaScript script that scrolls to the bottom of the page.

2. To scroll to a specific element:

WebElement element = driver.findElement(By.id("elementId"));
 
JavascriptExecutor js = (JavascriptExecutor) driver;
 
js.executeScript("arguments[0].scrollIntoView();", element);

In this example, the findElement(By.id("elementId")) method is used to locate the element on the page. Then, the JavascriptExecutor is used to execute a JavaScript script that scrolls to the element.

3. To scroll by a certain number of pixels:

JavascriptExecutor js = (JavascriptExecutor) driver;
 
js.executeScript("window.scrollBy(0,200)");

In this example, the JavascriptExecutor is used to execute a JavaScript script that scrolls down by 200 pixels.

It's important to note that the above examples are based on the JavaScript, thus it's cross-browser and you can use it with any browser that Selenium supports.

Additionally, you can also use the Actions class in Selenium to scroll by moving the mouse pointer to different parts of the page, this can be useful when you have to scroll to the elements that are not visible.