req.get()Returns the value of the specified header field in this request (req).  Note that header names are case-insensitive.
req.get(header);
Assuming req contains a header named 'myField' with value 'cat':
req.get('myField');
// -> cat
- The
 headerargument is case-insensitive.- The
 headerargument treats both "referrer" and "referer" as synonyms, because sp3ll1n9.