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Cross-browser testing is not a new term for someone who is into web development. If you are developing a website or a web application, you would want to run it smoothly on different browsers. It is not as easy as it sounds!
There has been a major growth in JavaScript framework usage over the past few years, the reason is, nowadays most of the apps are developed using technology like Angular or React. In fact, initially, Angular was the first choice for web developers, however, by the end of 2018, we could see major dominance over the web for React. React may even continue to dominate 2019 as well.
JavaScript test automation frameworks are end-to-end frameworks specialized to run automation scripts for web applications. However, choosing the right one can be very challenging based on the following criteria:
Developed in 2004 by Thoughtworks for internal usage, Selenium is a widely used tool for automated testing of web applications. Initially, Selenium IDE (Integrated Development Environment) was being used by multiple organizations and testers worldwide and saved a lot of time and effort by the benefits of automation testing with Selenium. The major downside of automation testing with Selenium IDE was that it would only work with Firefox. To resolve the issue, Selenium RC(Remote Control) was used, which enabled Selenium to support automated cross-browser testing.
But currently, websites are becoming more robust with multiple features. Also, nowadays, with the majority of the organization making a mobile-friendly website, testers have to keep in mind that a website should work properly not only in desktop but also in Android as well as iOS. Selenium RC gradually lagged behind since it did not have the feature for testing browser compatibility of a website across multiple devices. To overcome all these issues, Selenium Webdriver stepped in.