The HTMLFormElement.acceptCharset property represents a list of the supported character encodings for the given FORM element. This list can be comma- or space-separated.
string = form.acceptCharset; form.acceptCharset = string;
inputs = document.forms["myform"].acceptCharset
HTML 5, Section 4.10.3: The Form Element
DOM Level 2 HTML: acceptCharset
© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/HTMLFormElement/acceptCharset