react-bits:数组作为子元素
发布时间:2020-12-15 07:26:07 所属栏目:百科 来源:网络整理
导读:react-bits 原文 数组作为子元素很常见 // We use map() to create an array of React Elements for every value in the array.(ul {[ "first" , "second" ].map(( item ) = ( li{ item }/li ))}/ul) //That’s equivalent to providing a literal array. (u
react-bits 数组作为子元素很常见 // We use map() to create an array of React Elements for every value in the array.
(<ul>
{["first","second"].map((item) => (
<li>{item}</li>
))}
</ul>)
//That’s equivalent to providing a literal array.
(<ul>
{[
<li>first</li>,<li>second</li>
]}
</ul>)
// This pattern can be combined with destructuring,JSX Spread Attributes,and other components,for some serious terseness.
(<ul>
{arrayOfMessageObjects.map(({ id,...message }) =>
<Message key={id} {...message} />
)}
</ul>)
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