> He means API calls, obviously overloaded the term "function calls" a bit No they literally meant generating html like h1() rather than <h1></h1> in something

> He means API calls, obviously overloaded the term "function calls" a bit No they literally meant generating html like h1() rather than <h1></h1> in something like jsx templates (I initially wasn't sure if they were talking about the model of server side rendering with client side events passed back to the server through a websocket either though)