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Importing JQuery

To install JQuery:

npm install jquery

In general, you should try to access the DOM nodes after the initial render. (such as in the componentDidMount method if you are using the class syntax.)


RESETRUNFULL
import $ from 'jquery';import {useState, useEffect} from 'react';function App() {
   const [n, setN] = useState(0);
   useEffect(()=>{
       $("button").on('click', ()=>{
          setN(n=>(n+1));
       })
   },[])
   return (
      <button>{n}</button>
   );}export default App;