mgran's ars technica: Downloading Binary Streams with Javascript XMLHttpRequest

Downloading Binary Streams with Javascript XMLHttpRequest (or How to do Binary Ajax) I've been fiddling around trying to download a binary stream using the object XmlHttpRequest (XHR) of Javascript in Mozilla Firefox. What I wanted was to be able to create a byte array containing the original bytes of the downloaded binary file. This mechanism would be used to implement a ROM loader, without modi

[TAKESAKO]

バイナリ列を扱う方法 req.overrideMimeType('text/plain; charset=x-user-defined'); var abyte = filestream.charCodeAt(x) & 0xff;

[ku0522]

jsでbinary file をパースしたりするらしいよ。