append to useState array code example
Example 1: React Hooks append state
setTheArray(currentArray => [...currentArray, newElement])
Example 2: usestate array push
setTheArray([...theArray, newElement]);
Example 3: add items to a react array in hooks
const addMessage = (newMessage) => setMessages(state => [...state, newMessage])
Example 4: prepend to js array
var a = [1, 2, 3, 4];
a.unshift(0);
a; // => [0, 1, 2, 3, 4]
Example 5: add items to a react array in hooks
const addMessage = (newMessage) => setMessages(state => [newMessage, ...state])