Waits

Wait commands let you put tests on hold or pause for a few seconds or even days. Nowadays, Ajax-based websites are widely in used for their high data-exchanging speed. However, there will be variations in receiving each and every Ajax web service on a fully loaded page. To avoid such delays and to ignore exceptions such as ElementNotVisibleException, it is highly recommended to use waits. To handle such delays on a web page, Selenium WebDriver makes use of both implicit and explicit waits.

Explicit wait

An explicit wait waits for certain conditions to occur. It results in TimeoutError only when the conditions fail to meet their target. In general, the usage of the explicit wait is highly recommended. Here's an example of an explicit wait:

WebDriverWait wait = new WebDriverWait(driver, 10);
wait.until(ExpectedConditions.presenceOfElementLocated(By.locatorType("path")));

In the example that follows, WebDriver waits for 20 seconds until the web element is found; if it is not...