Angular 4 – Downloading file via a service
This post shows how to download and save a file using a backend service....
Angular 4 – Uploading files
This post entails uploading a single file in Angular 4 using Injectable services....
Angular 4 – Writing custom validators for reactive forms
Writing custom validation for form fields in Angular 4+...
Angular 4 – Adding custom classes to document body depending on a component
Adding a class to body of html document irrespective of router-outlets....