ternary operators to test whether asynchronous data exists in react code example
Example 1: react style ternary operator
<img
src={this.state.photo}
alt=""
style={ isLoggedIn ? { display:'block'} : {display : 'none'} }
/>
<img
src={this.state.photo}
alt=""
style={ { display: isLoggedIn ? 'block' : 'none' } }
/>
Example 2: 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>
)
}