Reactã®ãƒã‚±ãƒ„リレーã®å›žé¿ã«JSX Spread Attributesを利用ã™ã‚‹Appをルートコンãƒãƒ¼ãƒãƒ³ãƒˆã¨ã—ã€ä»¥ä¸‹Child1 => Child2 => Child3ã¨ã„ã£ãŸéšŽå±¤æ§‹é€ ã¨ãªã£ã¦ã„ã‚‹Appã§å—ã‘å–ã£ãŸfooã¨barã¨ã„ã†å€¤ã‚’propsを使ã£ã¦ã€ä¸€ç•ªä¸‹ã®éšŽå±¤ã®Child3ã¾ã§æ¸¡ã—ã¦ã„る値ãŒChild3ã¾ã§æ¸¡ã£ãŸã‚‰ã€ãれをChild3ã®ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆä¸Šã§è¡¨ç¤ºã™ã‚‹ コードã¯ä»¥ä¸‹ã®ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ import React, { Component } from 'react'; import { render } from 'react-dom'; class App extends Component { render() { return ( <Child1 foo={this.props.foo} bar={this.props.bar} /> ); } } const Child1 = (props) => <Child2 foo={props.fo
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