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JavaScript - 将数组拆分为具有随机数量对象的组

我正在研究这个小应用程序,我有一个超过100个对象的数组,我想分组.棘手的部分是我希望我新创建的数组包含随机数量的对象.例如:

initial: ["a0","a1","a2","a3","a4","a5","a6","a7","a8","a9","a10","a11" ,"a12","a13","a14","a15","a16","a17","a18","a19"]

修改: ["a0","a1","a2"],["a3","a4","a5","a6","a7"],["a8"],["a9"," A10" ] ...

我想你应该已经明白了.最近几个小时我一直坚持这个,我无法理解.

我希望你能帮帮我!非常感谢

javascript arrays split slice

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