function () {
        var headers = [];
        Ext.Object.each(this.responseHeaders, function (name, value) {
            headers.push(name + ': ' + value);
        });
        return headers.join('\x0d\x0a');
    }
function () {
        var headers = [];
        Ext.Object.each(this.responseHeaders, function (name, value) {
            headers.push(name + ': ' + value);
        });
        return headers.join('\x0d\x0a');
    }
function ( ) { var headers = [ ] ; Ext . Object . each ( this . responseHeaders , function ( name , value ) { headers . push ( name + ': ' + value ) ; } ) ; return headers . join ( '\x0d\x0a' ) ; }
As in XMLHttpRequest.
As in XMLHttpRequest .