Can you do code in Javascript to make a website called Courier management system where you define all information like login page, frontend, and backend, how it is used, how it can help that like that?

for example Step 1: User Interface (UI) Design Step 2: User Authentication Step 3: Customer Dashboard Step 4: Shipment Order Creation Step 5: Shipment Tracking Step 6: Courier Dashboard Step 7: Administrator Dashboard Step 8: Notifications Step 9: Reporting and Analytics Step 10: Database Management

Can you write the whole code either in HTML or Javascript only?