/Javascript/React/Set className with ref react

Set className with ref react

class Test extends Component {
    constructor(props){
        //codes
    }

    hide = () => {
        const span = this.refs.spanLoading;
        span.ClassName = "hidden";
    }

    render() {

        return (
            <span ref="spanLoading" id="test-id" className="">The Quick Brown Fox.</span>

            <button onClick={() => this.hide()}>Hide</button>
        );
    }
}

export default Test;

-1

Source: stackoverflow.com

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