もう流石に大丈夫（だと思うの）だけど、画像処理APIを開発中当時、ハマった話。 フロントのフレームワークにVue.jsを用いた際、axiosでapi（バックのフレームワークはFastAPIを使用）を叩いてarraybufferを変えさせようとしたけど全然上手くいかなかった。

node.js utilizes a non-standard concept of I/O buffers and thus has both its Buffer as well as ArrayBuffer support. While Buffers are nice because they are a lot faster than V8's ArrayBuffers, ...

This will work in node <= 0.10 and < 0.11.4, where there's no prototype accessor, only a nonconfigurable own property. It will also work in modern engines where DataView.prototype.buffer has been ...