SocketVsSSE

SocketVsSSEListenOpen.js

// addEventListener version
evtSource.addEventListener("open", (e) => {
  console.log("The connection has been established.");
});
// onopen version
evtSource.onopen = (e) => {
  console.log("The connection has been established.");
};
// Connection opened
socket.addEventListener("open", (event) => {
  socket.send("Hello Server!"");
});