week6.3 useState, usEffect, useMemo, useCallback, memo, useRef
reconciliation reconciliation is useState 1. import useState form react lib 2. write cosnt var which take two input (sate, setState) satte mean if count 7 then state will be 7 then i press button and added 7+1 = 8 ; setSate tell state that you need to update yourself from 7 to 8; based on user entery. 3. the initial's it by 0 that help to store exact number to store eg: if i initial's it by 1 and the user update state by 2 then state value need 2 but you got 3 thats wrong thats why .........! syntax: import { useState } from 'react' //write this componenet inside the app OR another function const [count, setCount] = useState(0) then use this componenet and write you logic /============================================ useEffect: The useEffect Hook allows you to perform side effects in your components and stop unnecessary rendering, rerander when dependency change only. Some examples of side effects are: fetching data, directly updating the DOM, and timers. u...