Front End Observability: Why Your window.onerror Reports Say "Script error." (and How to Fix Them)

A practical guide to browser error monitoring with window.onerror, covering the cross-origin blind spot, resource failures that never bubble, and error reports that die when the tab closes. Includes tests and Angular wiring. It's late on a Friday. Support forwards a screenshot: a customer's checkout page is blank. You open your error dashboard,... Weiterlesen: Front End Observability: Why Your window.onerror Reports Say "Script …