Consider the following React functional component:function Input() { const [value, setValue] = useState(''); const handleChange = (event) => { setValue(event.target.value); }; return ( <input type="text" value={value} onChange={handleChange} /> );}Do this component has a two way binding?ATRUEBFALSE
Question
Consider the following React functional component:function Input() { const [value, setValue] = useState(''); const handleChange = (event) => { setValue(event.target.value); }; return ( <input type="text" value={value} onChange={handleChange} /> );}Do this component has a two way binding?ATRUEBFALSE
Solution
B. FALSE
This React component does not have two-way binding. In React, data flows down the component tree via props and events are used to send data back up the tree. This is often referred to as "one-way data flow" or "unidirectional data flow".
In the given component, the 'value' state is updated with the 'setValue' function whenever the 'handleChange' function is triggered by the 'onChange' event. This is not two-way binding because the 'value' state does not automatically update the input field. The input field is updated because it is explicitly set to the 'value' state in the return statement.
Two-way binding, on the other hand, would mean that changes in the 'value' state would automatically update the input field and vice versa, without the need for an event handler like 'handleChange'. This is not the case in React.
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