Usestate Reactjs 2025au . reactjs React useState on page refresh Stack Overflow Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. const [theArray, setTheArray] = useState(initialArray); then, when you want to add a new element, you use that function and pass in the new array or a function that will create the new array.
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state can be specified in any type (number, string, array and object). const [ , ] = useState( ) where, initialValue − Initial value of the state
React Hooks useState ReactJS tutorial YouTube state can be specified in any type (number, string, array and object). setIsLoading is an async function and you cannot get the state value immediately after update. Thus the setState calls are asynchronous as well as batched for better UI experience and performance.
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