How to set placeholder for dropdown in react js?

Answer 1

Reason is, React provide a better way of controlling the element by using states, so instead of using selected with option use the value property of select and define its value in the state variable, use the onChange method to update the state, Use it in this way:

class App extends React.Component {

    constructor(props) {
        super(props);
        this.state = {
            value: '1'
        };
    }

    render(){
       return(