A quick look through before an interview

 ES6 important features:

https://frontendjournal.com/javascript-es6-learn-important-features-in-a-few-minutes/

https://www.mkwd.net/learn-es6-in-5-minutes-tutorial/

TypeScript:

https://www.typescriptlang.org/docs/handbook/typescript-tooling-in-5-minutes.html

Angular

https://angular.io/start