Angular 4 put a global constant available to zone.js

Question

i am using Angular (4 i think) with typescript and zone.js (0.8.4). I import zone.js via the \"polyfills.ts\" file. When I look inside the source code of zone.js, there is code

Answer 1

In my case, I have had to uncomment the following line in the polyfills file:

(window as any).__Zone_enable_cross_context_check = true;

Project Angular version: Angular 6.0.1