WebElement iframeSwitch= driver.findElement(By.id("configFrame"));
driver.switchTo().frame(iframeSwitch); System.out.println("Switched");
driver.findElements(By.xpath("//input[@ng-change='ProcessUpdates(m);']")).clea‌​r();
driver.findElement(By.xpath("//input[@ng-change='ProcessUpdates(m);']")).sendK‌​eys("Arsenal");
driver.findElement(By.id("SearchAll")).click(); Thread.sleep(15000);
driver.switchTo().defaultContent(); JavascriptExecutor js=(JavascriptExecutor)driver;
js.executeScript("javascript:window.scrollBy(0,300)");

driver.switchTo().frame(nameFrame);

driver.findElement(locator);

public void scrollingToBottomofAPage() {
    driver.navigate().to(URL);
     ((JavascriptExecutor) driver)
     .executeScript("window.scrollTo(0, document.body.scrollHeight)");
}

public void scrollingToElementofAPage() {
    driver.navigate().to(URL);
    WebElement element = driver.findElement(By.linkText("Import/Export"));
    ((JavascriptExecutor) driver).executeScript(
            "arguments[0].scrollIntoView();", element);
}

public void scrollingByCoordinatesofAPage() {
    driver.navigate().to(URL);
    ((JavascriptExecutor) driver).executeScript("window.scrollBy(0,500)");
}

Robot robot = new Robot();
robot.keyPress(KeyEvent.VK_PAGE_DOWN);
robot.keyRelease(KeyEvent.VK_PAGE_DOWN);

Actions act = new Actions();
  act.sendKeys(Keys.TAB,Keys.TAB).build.perform();

public void getIframe(final WebDriver driver, final String id) {
    final List<WebElement> iframes = driver.findElements(By.tagName("iframe"));
    for (WebElement iframe : iframes) {
        System.out.println("Frame name :" + iframe.getAttribute("name"));
    }
}

JavascriptExecutor b = (JavascriptExecutor)driver;
b.executeScript("scroll(0,400)");

JavascriptExecutor b = (JavascriptExecutor)driver;
    WebElement c = driver.findElement(By.xpath(""));
    driver.manage().timeouts().implicitlyWait(20, TimeUnit.SECONDS);
    b.executeScript("arguments[0].scrollIntoView(true)",c);