React if statement

How to use if else inside jsx in react

renderElement(){
   if(this.state.value == 'news')
      return <Text>data</Text>;
   return null;
}

render() {
    return (   
        <View style={styles.container}>
            { this.renderElement() }
        </View>
    )
}

Source: stackoverflow.com

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

React if statement

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

Source: reactjs.org

If else react render in jsc

const functionalComponent=()=> {

  return (
    <div>{
  			  props.isFeatured ? (
                        <div className="featured_ovelay_icon">lol</div>

                    ) : ("")
 			}
    </div>
  );
}

If react

if (isItemInCart) {
        return prev.map(item =>
          item.id === clickedItem.id
            ? { ...item, amount: item.amount + 1 }
            : item
        );
      }

-1

Similar codes

1 vote146 views6 answers
React-native build debug apk
Javascript React
0 vote134 views1 answer
React-redux form preventdefault
Javascript React
0 vote136 views1 answer
React-native-cli remove
Javascript React
0 vote187 views1 answer
Gradle error react native
Javascript React
0 vote127 views1 answer
Dynamic for loop react
Javascript React
8 votes134 views1 answer
Ternary operator in button react
Javascript React
1 vote134 views1 answer
REACt helmet og tags DONT WORK
Javascript React
0 vote153 views1 answer
React measure page load time
Javascript React
0 vote145 views1 answer
How to use radio buttons in react class-based components
Javascript React
1 vote148 views1 answer
React native grid view
Javascript React