"usestate array push" Code Answer's
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React Hooks append state
setTheArray(currentArray => [...currentArray, newElement])
usestate array push
setTheArray([...theArray, newElement]);
Source: stackoverflow.com
functional component how to add to existing array react
const {useState, useCallback} = React;
function Example() {
const [theArray, setTheArray] = useState([]);
const addEntryClick = () => {
setTheArray([...theArray, `Entry ${theArray.length}`]);
};
return [
<input type="button" onClick={addEntryClick} value="Add" />,
<div>{theArray.map(entry =>
<div>{entry}</div>
)}
</div>
];
}
ReactDOM.render(
<Example />,
document.getElementById("root")
);
Source: stackoverflow.com
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