Angular4 Application running issues in IE11

Question

I am building a Angular4 project using Angular CLI (1.1.2). It runs perfectly in Chrome (Version 59.0.3071.115) and firefox(54.0.1) but when I tried to use IE11 (Verison 11.

Answer 1

The default polyfills.ts file is commented and need to uncomment lines of code and run npm install the corresponding module. Then it will compatible with the IE11