GitHub - mperdeck/jsnlog: JSNLog for .Net. Combines jsnlog.js client side logging with .Net server side component to receive log messages and pass them to the server side logging package. Configure loggers in web.config.

This JavaScript logging package logs JavaScript exceptions, AJAX timeouts and other client side events in your server side log.

Editions for:

.Net Core - logs client side events to loggers added during startup (Documentation; NuGet)
.Net Framework - logs client side events to Elmah, Log4Net, NLog, Serilog and Common.Logging (Documentation; NuGet)
Node.Js - logs both client side and server side events to any Winston transport (Documentation; npm (client side); npm (server side)).
Plain JavaScript - logs client side events to a server (Documentation; npm).