jsx函数中怎么渲染组件？-灵析社区

import React from 'react' import Com from './com' const Text = () => { const renderDom = () => { return 222222 } const renderComDom = () => { return } return ( { renderDom() } { renderComDom() } ) } export default Text 请问下为什么`renderDom`能正常渲染`renderComDom`却渲染不出来？