从 JavaScript 数组中获取随机值 [英] Getting a random value from a JavaScript array

问题描述

考虑:

var myArray = ['January', 'February', 'March'];    

如何使用 JavaScript 从这个数组中选择一个随机值?

How can I select a random value from this array using JavaScript?

推荐答案

这是一个简单的单行:

const randomElement = array[Math.floor(Math.random() * array.length)];

例如:

const months = ["January", "February", "March", "April", "May", "June", "July"];

const random = Math.floor(Math.random() * months.length);
console.log(random, months[random]);

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