conditional tener code example

Example 1: conditional operator

var age = 26;
var beverage = (age >= 21) ? "Beer" : "Juice";
console.log(beverage); // "Beer"

Example 2: react native conditional rendering

function Mailbox(props) {
  const unreadMessages = props.unreadMessages;
  return (
    

      
Hello!
      {unreadMessages.length > 0 &&
        

          You have {unreadMessages.length} unread messages.
        
      }
    
  );
}