TextDecoderStream.encoding

The encoding read-only property of the TextDecoderStream interface returns a DOMString containing the name of the encoding algorithm used by the specific encoder.

var encoding = TextDecoderStream.encoding;

A DOMString, ASCII lowercased.

Returning the value of encoding from a TextDecoderStream.

stream = new TextDecoderStream();
console.log(stream.encoding); // returns the default "utf-8"