How do you handle JavaScript alerts and popups using Selenium?

I-Hub Talent stands out as the best Selenium with Python institute in Hyderabad, offering top-tier training for aspiring automation testers and developers. Designed to meet the growing demand for skilled automation engineers, the course at I-Hub Talent provides in-depth knowledge of both Selenium automation and Python programming.

The institute offers a practical, hands-on learning experience that covers everything from the basics of Python to advanced Selenium WebDriver concepts. Students learn how to write robust test scripts, perform browser automation, handle dynamic web elements, and integrate frameworks like PyTest and Behave. With real-time projects and live coding sessions, I-Hub Talent ensures that learners are industry-ready.

What makes I-Hub Talent the top choice for Selenium with Python training in Hyderabad is its expert faculty, personalized mentorship, and strong placement support. Whether you're a beginner or a professional looking to shift to automation testing, I-Hub Talent has the right resources and guidance to help you succeed.

In Selenium, JavaScript alerts and popups (like alert, confirm, and prompt dialogs) are handled using the Alert interface. Selenium can switch to these alerts and interact with them (accept, dismiss, or input text).

Steps to handle JavaScript alerts:

  1. Switch to the alert:

  2. Accept the alert (click OK):

  3. Dismiss the alert (click Cancel):

  4. Get the alert text:

  5. Send input to a prompt alert:

Important Tips:

  • Always switch to the alert before interacting.

  • Use try-catch to handle unexpected alerts and avoid UnhandledAlertException.

  • You can verify if an alert is present using:

Selenium’s alert handling allows reliable automation of browser popups without interacting with the underlying page HTML, which is essential for validating client-side behaviors.

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