How To add Custome Js in my Angular2+netcore Webapplication?

Hello there..

i am set up my project using  this link using angular2  dotnetcore with primeng. 

 

http://lightswitchhelpwebsite.com/Blog/tabid/61/EntryId/3304/Hello-World-Angular-2-Data-Sample-Using-JavaScriptServices-Net-Core-and-PrimeNg.aspx#AddComment 

 

 

now i am Trying to add my custom js but i have no clue how to add ?.

 thank in advance.