My angular 6 project loads in chrome but it does not load in IE11. I used the following question: Angular 2 / 4 / 5 not working in IE11 to try and solve the issue but none o
An update of angular-cli, webpack might be helpful.
I have solved an issue in IE 10. Reference: TypeError: Unable to get property 'ngMetadataName' of undefined or null reference on IE 10
I followed the suggestion to comment out code until my App started in IE 11.
I had an image path in my menu component that was causing the issue. Sorted the path and the app started.
Did you verify that any subscribe function that is running outside of your ts files are using
.subscribe(function(data) { });
instead of
.subscribe((data) => {});
IE is not able to execute this style of anonymous function properly.
Also make sure you are not using any ES6 components outside of your angular app without having a shim to handle them (https://kangax.github.io/compat-table/es6/)