how to write if else in html tag react code example

Example 1: if else render react

render() {
  const isLoggedIn = this.state.isLoggedIn;
  return (
    

      {isLoggedIn ? (
        
      ) : (
        
      )}
    
  );
}

Example 2: make a if in jsx

var loginButton;
if (loggedIn) {
  loginButton = ;
} else {
  loginButton = ;
}

return (
  
);