How to monitor JavaScript log messages and exceptions with Playwright
AI Summary
This video is a Playwright tip tutorial on how to listen for console logs and uncaught JavaScript exceptions in web pages during automated testing. The presenter demonstrates using Playwright’s page object event handlers to catch console messages such as console.log, console.warn, and console.error, as well as uncaught exceptions via the “pageerror” event. The example shows initializing arrays to store logs and errors, then performing assertions to ensure no unwanted console messages or errors are present. This helps maintain higher quality web pages by detecting leftover debug logs or runtime errors during tests. Overall, the video explains a simple yet effective way to ensure robust web automation testing with Playwright.