using materialize css with react
import React from 'react'; import M from 'materialize-css'; .... // ref can only be used on class components class SomeComponent extends Component { // get a reference to the element after the component has mounted componentDidMount(){ M.Sidenav.init(this.sidenav); } render(){ return ( <ul className={this.props.classes} ref={ (sidenav) => {this.sidenav = sidenav} } id={this.props.id}> // menuItems </ul> ) } }