The jquery ajax increase headers return status after 404-CodePudding

 
//the jQuery post method 
The function scPostExt (url, data, the callback, async, type, dataType) {
if (! Type) {
Type="post". 
} 
if (! DataType) {
DataType="json"; 
} 

if (! Async | | async==null | | typeof (async)=="undefined") {
Async=true; 
} 

$. Ajax ({
Url: globalData apiUrl + url, 
Type: type, 
DataType: dataType, 
Data: data, 
Async: async, 
Headers: {
'token', '3333333' 
}, 
Success: callback, 
Error: function (XHR, textStatus errorThrown) {
The console. The log (" enter the error - "); 
The console. The log (" status code: "+ XHR. Status); 
The console. The log (" : "+ XHR. ReadyState);//the current state, 0 - an uninitialized, 1 - loading, 2 - has been loaded, 3 - data interaction, 4 -, 
The console. The log (" error message: "+ XHR. StatusText); 
The console. The log (" returns a response message: "+ XHR. The responseText);//here is the detailed information 
The console. The log (" state of the request: "+ textStatus); 
The console. The log (errorThrown); 
The console. The log (" attempt failed "); 
} 
}); 
}

Status code: 404
4:
Error message: error
Returns a response message: undefined

After deleting headers can normal request