JSFiddle - React, Tailwind, and code Playground

JavaScript

window.unloading = false;

$(window).bind('beforeunload', function () {
	window.unloading = true;
});

$(document).ajaxError(function (eventData, jqXhr, ajaxSettings, exception) {
	if (window.unloading) {
		return;
	}
    
    // notify about the error
});