React
HTML
<div id="app"></div>
React
function App(){
return(
<div>
<h1>Counters</h1>
<section>
<Counter />
</section>
</div>
);
}
function Counter(props){
console.log("Inside Counter Function....");
const [numOfClicks,setNumOfClicks] = React.useState(0);
console.log("numOfClicks = "+numOfClicks);
React.useEffect(()=>{
console.log("In useEffect");
console.log("useEffects - numOfClicks = "+numOfClicks);
setNumOfClicks(numOfClicks);
},[numOfClicks]);
function handleClick(){
setNumOfClicks(numOfClicks+1);
console.log("Inside handle Click....");
}
return(
<article>
<h2>Counter {props.name}</h2>
<p>You clicked {numOfClicks} times</p>
<button className="button" onClick={handleClick}>
Click Me
</button>
</article>
);
}
const root = ReactDOM.createRoot(document.getElementById("app"));
root.render(<App/>);