VUE.JS error in Mozilla Firefox browser?

Question

Mozilla Firefox

Hello!
The front part in the Mozilla Firefox browser, written in VUE.JS and after building, is not executed at all. Although it works fine in other browsers. The following error is in the console:

ReferenceError: event is not defined 
// открываем "Подробнее" и там:
webpackJsonp([1],{"1hGo":function(t,e){t.exports="data:image/png;base64.. // далее весь код приложения
//# sourceMappingURL=app.697aa3f7bae95ceffb09.js.map

I will be grateful for your any answers.

Answer 1

https://developer.mozilla.org/en/docs/Web/JavaScri...
https://stackoverflow.com/questions/46120360/vuejs...