How do I scroll to bottom of the page with Javascript but with some delay using selenium?

[Palak Shah]

Good day, everyone!

I have a web page with lazy loading enabled, and I'd like to scroll to the bottom of the page, but with a wait, so that the new components in the page may be seen.

At the present, I'm trying JavaScript, but it just scrolls to the bottom of the page, which doesn't reveal any new elements, and my tests fail as a result.

Could someone please assist me?

Below Is the code for ScrollToBottom

public static void ScrollToBottom(this IWebDriver Driver)
    {
        
        Driver.ExecuteJavaScript("window.scrollTo({ top:  document.body.scrollHeight, behavior: 'smooth' })");
    }

And Entire code for ScrollUntilNoLazyLoad

public static void ScrollUntilNoLazyLoad(this IWebDriver Driver, string locator = null)
    {
        ThreadHelper.VoidWait(() =>
        {
            var before = Driver.PageSource;
            Driver.ScrollToBottom();
            Thread.Sleep(2000);

            var after = Driver.PageSource;
            if (!before.Equals(after))
                Driver.ExecuteJavaScript("window.scrollBy(0, -250)");
            Thread.Sleep(2000);

            var after2 = Driver.PageSource;
            if (locator.IsNullOrEmpty())
            {
                if (!before.Equals(after2))
                    throw new ArgumentException("due to lazy load new items have been added, scrolling will continue.");
            }
            else
            {
                if (Driver.TryFind(locator, IWebElementState.Displayed, 500).IsNull())
                    throw new ArgumentException("Element is not yet displayed!");
            }
        }, false);
    }

 

[Palak Shah]

@Skydiver Can you please help me?

 

[Skydiver]

Sorry, I'm not familiar enough with Selenium and how it does looping and yielding control back to the browser.