SP.RequestInfo.binaryStringResponseBody property (sp.requestexecutor.js)
Specifies whether the response body is a binary string.
Applies to: JavaScript | SharePoint Foundation 2013 | SharePoint Server 2013
var value = SP.RequestInfo.get_binaryStringResponseBody()
SP.RequestInfo.set_binaryStringResponseBody(Boolean value)
Return value
Boolean
true if the response body is a binary string; otherwise false