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Conditional Rendering in ReactJS: if-else Statements in JSX
In ReactJS, the if-else statements cannot directly be used within JSX expressions. This is due to the nature of JSX, which is a syntactic sugar for creating JavaScript function calls and objects.
To conditionally render elements based on state, there are alternative approaches:
Ternary Operator:
Use the ternary operator to evaluate a condition and render different elements based on the outcome, as shown below:
render() { return ( <View>
Function Invocation:
Create a function that evaluates the if-else logic and returns the appropriate element. Then, call the function from within the JSX expression:
renderElement(){ if(this.state.value == 'news') returndata ; return null; } render() { return ( <View>
By utilizing either the ternary operator or function invocation, you can conditionally render elements in ReactJS without modifying the scene or using tabs.
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