GitHub

Getting Selenium::WebDriver::Error::UnknownError: '[JavaScript Error: "a is null" when running driver.execute_script

Originally reported on Google Code with ID 3499 What steps will reproduce the problem? 1. Start up a new Firefox WebDriver 2. Go to any site, such as google.com. 3. Use execute_script to run some ...
Test Environment

Execute Javascript with Selenium, Mastering Selenium 3.0 WebDriver

The second edition of Mastering Selenium 3.0 WebDriver starts by showing you how to build your own Selenium framework with Maven. You’ll then look at how you can solve the difficult problems that you ...
GitHub

Javascript selenium-webdriver: environment variable SELENIUM_BROWSER does not work when SELENIUM_REMOTE_URL is set

use npm-installed js bindings of selenium (selenium-webdriver) use selenium-webdriver code with mocha override hardcoded browser name with: SELENIUM_REMOTE_URL=http ...
tech

Troubleshooting Common Selenium WebDriver Errors and Exceptions

Selenium is a widely used tool to automate browsers for testing web applications. Selenium WebDriver is incredibly useful, but users often run into errors and exceptions when working with it. This can ...
Analytics Insight

5 Must-Know JavaScript Test Automation Frameworks in 2025

Jest: Created by Meta, Jest is ideal for unit and snapshot testing in React and Node.js projects, with great community support. TestCafe: TestCafe runs on pure JavaScript and offers fast, stable ...