React Js Tutorials, Usestate, React Hook, Reactjs, Javascript Arrays.
const INITIAL_MEMBER_VALUE = { name : "Rahul", age : 29, email : "rahul234@gmail.com" } const [member, setMember] = useState(INITIAL_MEMBER_VALUE); const updateNameAge = () => { setMember({...member, name : "New Name", age : 30}) } 4. Adding new item to array addNewMemberToLast— adds new object at