如何创建和写入新文件（csv），并让浏览器使用javascript或D3.js下载它？

我有一个网站，用户可以在其中查看带有他们选择的特定数据的图表。我想包括的功能，让用户获得的数据使用的数据在一个csv文件最好

通过将数据按以下格式排序，我已“准备好”数据：

（这只是在控制台中打印阵列时的输出示例。）

如何让用户通过单击按钮下载文件来导出此数据？ 我已经创建了一个按钮，它已经调用了一个函数，我只需要知道如何创建文件，写入文件，并让用户下载它

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提前非常感谢

我相信这与所问的和所问的问题类似

似乎最直接的解决方案（仅适用于现代浏览器）是使用

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有一个很好的方法。然后我想你只要挂上一个按钮或链接就可以启动

下载功能。
非常感谢，这帮了我大忙！
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