XMLHttpRequest draft spec has recently introduced named constants for state values, which we do not support: interface XMLHttpRequest { ... const unsigned short UNINITIALIZED = 0; const unsigned short OPEN = 1; const unsigned short SENT = 2; const unsigned short RECEIVING = 3; const unsigned short LOADED = 4;
FYI: The names are still in flux.
Support for named constants was landed by Sam Weinig in <http://trac.webkit.org/projects/webkit/changeset/32037>. + const unsigned short UNSENT = 0; + const unsigned short OPENED = 1; + const unsigned short HEADERS_RECEIVED = 2; + const unsigned short LOADING = 3; + const unsigned short DONE = 4;