Angular 4 app using IE 11, “Can't execute code from a freed script”

Question

I have an Angular app which I think is version 4. IE 11 crashes during a login sequence in this app: \"Can\'t execute code from a freed script\". According to the IE console the

Answer 1

As of Angular 7.x, I removed the comment from (window as any).__Zone_enable_cross_context_check = true; in polyfill.ts and recompiled the project.