Nothing changed in your code. All of a sudden, a tidal wave of errors start happening for Microsoft Edge users. What the heck happened? On August 28th, 2019, many TrackJS customers saw a sudden surge in errors from Microsoft Edge browsers: Failed to construct 'Request': Invalid Argument and Fail...
Read moreWe understand the value of JavaScript error monitoring here at TrackJS. Consequently, we run TrackJS on all of our own web properties to log our JS errors. We’re dilligent about fixing errors as they happen, and most issues are caught in development environments, or immediately in production. Ho...
Read moreEmpty String. An infuriatingly vague error message that leaves few clues about what’s going wrong. A customer recently experienced a lot of these, and asked for our help debugging it. This is that story.
Read moreRedux is an amazing JavaScript library that has become mainstream because of its simplicity, tiny 2kb size, and excellent documentation. Redux assists developers to manage state in JavaScript applications and ensure it performs consistently, regardless of the environment. However, despite Redux’...
Read moreInternet Explorer 11 crashes when JSON.stringify is called on an HTMLFormElement that contains duplicate named inputs. This is particularly concerning because radio inputs will certainly have duplicate names.
Read moreThe web is a hostile place and our JavaScript apps will inevitably break. Browser changes, invasive plugins, unstable networks, or just plain bugs—something is going to go wrong. When it does, we need to be ready. We need to know what went wrong and how to fix it or our users just won’t come back.
Read moreIn Mozilla Firefox, a request to load an external origin was attempted and externally blocked. The request could have been canceled by a browser extension, such as an adblocker or antivirus, or because the remote origin did not return a proper CORS response.
Read moreA webkit bug that shipped in iOS 8 beta 5 and appears to have been partially included in the launch of iOS 8 and 8.1 is affecting many of our customers. It does not seem to impact all iOS8 uniformly; different versions of webkit seem to be involved.
Read moreNo credit card required. Install TrackJS and see your errors in 5 minutes.
