Ternary react

render() {
  const isLoggedIn = this.state.isLoggedIn;
  return (
    <div>
      The user is <b>{isLoggedIn ? 'currently' : 'not'}</b> logged in.    
	</div>
  );
}

Source: reactjs.org

React native conditional rendering

function Mailbox(props) {
  const unreadMessages = props.unreadMessages;
  return (
    <div>
      <h1>Hello!</h1>
      {unreadMessages.length > 0 &&
        <h2>
          You have {unreadMessages.length} unread messages.
        </h2>
      }
    </div>
  );
}

Source: reactjs.org

Similar codes

0 vote275 views1 answer
. What is the use of the return function in the React Native Framework?
Javascript React
1 vote265 views1 answer
React spread operator
Javascript React
0 vote278 views1 answer
Testing a function in jest on click react
Javascript React
1 vote270 views1 answer
React-native-paper password input
Javascript React
1 vote265 views1 answer
React native header
Javascript React
0 vote253 views1 answer
Check uncek react-bootstrap-table reactjs
Javascript React
1 vote262 views1 answer
How to store array into react-native local storage
Javascript React
0 vote278 views1 answer
React useEffect() the side-effect runs after every rendering
Javascript React
3 votes274 views2 answers
How to get current screen name in react native
Javascript React
-1 vote672 views1 answer
This can also happen when the JS bundle is corrupt or there is an early initialization error when loading React Native.
Javascript React