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关键词:随机取数函数
以下是使用 JavaScript 实现从数组中随机取一个元素的函数:
function getRandomElement(arr) { if (!Array.isArray(arr) || arr.length === 0) { return null; } const randomIndex = Math.floor(Math.random() * arr.length); return arr[randomIndex]; }
你可以这样使用这个函数:
const array = [1, 2, 3, 4, 5]; const randomElement = getRandomElement(array); console.log(randomElement);
The text was updated successfully, but these errors were encountered:
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关键词:随机取数函数
以下是使用 JavaScript 实现从数组中随机取一个元素的函数:
你可以这样使用这个函数:
The text was updated successfully, but these errors were encountered: