import React, { MouseEvent } from 'react'; import Cat from './cat'; interface Props { } interface State {} class Box1 extends React.Component { constructor(props: Props) { super(props); } render() { const catComps = []; const cat = ; for (let i = 0; i < 5; i++) { catComps.push(React.cloneElement(cat, { key: i, name: `cat_${i}` })); } return ( {catComps} ); } } export default Box1;