從JavaScript數組獲取隨機值 - Getting a random value from a JavaScript array

問題：

Consider: 考慮：

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

How can I select a random value from this array using JavaScript? 如何使用JavaScript今後數組中選擇隨機值？

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解決方案：

參考一： https://stackoom.com/question/J5nF/從JavaScript數組獲取隨機值
參考二： https://oldbug.net/q/J5nF/Getting-a-random-value-from-a-JavaScript-array