Chrome Extension - No base href set. Please provide a value for the APP_BASE_HREF
问题 I am building a Chrome Browser Action Extension. I am attempting to load an Angular 2 application into the Popup Window in Chrome. I have done this before using Angular 1.5, but attempting with Angular 2 and getting an error. Unhandled Promise rejection: No base href set. Please provide a value for the APP_BASE_HREF token or add a base element to the document. ; Zone: ; Task: Promise.then ; Value: Error: No base href set. Please provide a value for the APP_BASE_HREF token or add a base