How to wait for an alert to appear on a page using selenium webdriver in javascript?

Question

Automation

There is a page. When you switch to it, alert may appear, or it may not. I want to make an implementation so that when going to the page, the driver waits for 5 seconds for alert, and if it does not appear, then continue the test further. I found several implementations for various languages, but they did not work on js.

Answer 1

Try like this:

try {
  Thread.sleep(5000);\\Ждём пять секунд
} catch (InterruptedException e) {
}

if (driver.switchTo().alert() != null) {
  \\Если алерт есть, делаем то-то...
}

\\...