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React 组件简介
理解 React 中的组件及其如何构成 React 应用的基本构建单元。
1function Greeting() { 2 return <h1>Hello, World!</h1>; 3} 4 5export default Greeting;
No configuration found for ID: 1f4024a2eb370b9d8256a810378350d50f57bdcd8c7ab80a3c67d56acafd4877
No configuration found for ID: 9d92563ba5fc11616dbf3cc943aaa209f4c24f17cea80d6287483c859b85d1d9
No configuration found for ID: 0bbf19e7c0531c7c391973c8e6173a40f2c772def0cf19d99fb66381c91074ce
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A simple components hierarchy with App as the parent and Greeting as the child
1function Footer() { 2 return <p>© 2023 My Website</p>; 3} 4 5export default Footer;
No configuration found for ID: f7e5141ed419d0de6c707b28da30abdf354978ce0da184999fbe6438d91c3b00
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A components hierarchy with App as the parent, and Greeting and Footer components as child
No configuration found for ID: 8f6f35bec608b25a4be5df0323280430268cde2eca2885ab540fcbdeabc5751f