title: Angular 8: Object doesn't support property or method 'includes'
body: <p>I am building an application in angular8. I worked on angular5/6/7 and for those applications, I uncommented the imports that exist in the polyfills.ts. For angular 8, it has only 3 imports i.e classlist.js, web-animation-js and zone.js/dist/zone. My application is working fine in IE. But I started using the includes function to see if an item exists. It works fine in chrome. In IE it throws Object doesn't support property or method 'includes' error. </p>