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React ES6 数组方法


数组方法

JavaScript 存在许多数组方法。

在 React 中,最有用的一种是 .map() 数组方法。

.map() 方法允许你对数组中的每个项运行一个函数,并返回一个新的数组作为结果。

在 React 中,map() 可以用来生成列表。

示例

从数组中生成一个项目列表

const myArray = ['apple', 'banana', 'orange'];

const myList = myArray.map((item) => <p>{item}</p>)

运行示例 »



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