Instructions for the http.response.addTrailers method in node.js

method description:

This bar method is used to add the HTTP trailing response header to the end of the message.

syntax:

response.addTrailers(headers)

receive parameters:

headers                 response header information

example:

response.writeHead(200, { 'Content-Type': 'text/plain',   'Trailer': 'Content-MD5' }); 

response.write(fileData);

response.addTrailers({'Content-MD5': "7895bf4b8828b55ceaf47747b4bca667"});

response.end();