Breaking News: Grepper is joining You.com. Read the official announcement!

react use state array example

Adam, the developer answered on February 7, 2023 Popularity 9/10 Helpfulness 4/10

answer react use state array example

react use state array example

Comment

<body>
<div id="root"></div>

<script>
const { useState } = React;

const App = () => {
    const [myArray, updateMyArray] = useState([]);

    const onClick = () => {
        updateMyArray( arr => [...arr, `${arr.length}`]);
    };
    return [
        <input type="button" onClick={ onClick } value="Update" />,

        <div>{myArray.map( e =>
          <div>{ e }</div>
        )}
        </div>
    ];
}

ReactDOM.render(
    <App />,
    document.getElementById("root")
);
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.8.1/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.8.1/umd/react-dom.production.min.js"></script>
</body>

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: www.techiediaries.com

Tags: javascript use-state

Link to this answer
Share Copy Link