It’s very common for back-end developers to implement a mechanism in production mode that tracks and aggregates exceptions. But what about your front-end code? How do you know when something on your website is seriously broken and you don’t see it since it only happens in a certain browser version, that you (or your QA department) isn’t testing on? JavaScript has defacto become one of the most pop
![How To Setup A Cheap Exception Notifier For JavaScript | Protonet](https://cdn-ak-scissors.b.st-hatena.com/image/square/8f747d057a59367235832bb6a058f21c9ddc8b54/height=288;version=1;width=512/https%3A%2F%2Fprotonet.com%2Fwp-content%2Fuploads%2Flegacy_blog%2Ftumblr_lqs9gtvwLh1qcc3wc.png)