Angular2 IE11 Unable to get property 'apply' of undefined or null reference

Question

I am getting the following error after upgrading my angular2 packages to the following versions:

• @angular/common\": \"^2.3.1
• @angular/compiler\": \"^

Answer 1

According to MDN Object.assign() Browser compatibility IE is not supported.

You can import the Object.assign polyfill by MDN with npm. (mdn-polyfills)

Run: npm i mdn-polyfills --save

Use: import 'mdn-polyfills/Object.assign';