По большому счету технически SPA - это в основном router
В этой статье показывается пример, как реализовать router на чистом js
С Hash Mode и History Mode
#spa #router
BY Vue-FAQ
Secret Chats are one of the service’s additional security features; it allows messages to be sent with client-to-client encryption. This setup means that, unlike regular messages, these secret messages can only be accessed from the device’s that initiated and accepted the chat. Additionally, Telegram notes that secret chats leave no trace on the company’s services and offer a self-destruct timer.
telegram from it