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Testing the Internet

Javascript alerts

What you'll learn

In this video, you’ll discover how to handle JavaScript alerts that can interrupt your automation flows. Instead of letting unexpected pop-ups freeze your tests or cause failures, you’ll learn how Leapwork allows you to accept, dismiss, or input text into alerts using a codeless, visual approach. By the end, you’ll be able to automate alert handling smoothly and reliably.

Key lessons

  • How to capture and automate interactions with JavaScript alert buttons.
  • How to handle standard alerts, confirm boxes, and prompt dialogs using the Handle Web Alert block.
  • How to use wait blocks to ensure alerts are visible before interacting.
  • How to accept or dismiss alerts and validate that your flow continues successfully.
  • How to build reliable flows that keep your automation running smoothly even when alerts appear unexpectedly.

Additional resources

Continue your learning journey and explore all available product training sessions.