// IE - #1450: sometimes returns 1223 when it should be 204
if ( status === 1223 ) {
status = 204;
+ // Various - #8177: a Not Modified response was received
+ // yet no conditional request headers was provided
+ } else if ( status === 304 &&
+ !headers[ "if-modified-since" ] &&
+ !headers[ "if-none-match" ] ) {
+ status = 200;
// Status 0 encompasses several cases
} else if ( !status ) {
// Cross-domain