Sending Response
You have already seen the send() method in action, when sending simple responses in some earlier examples in this chapter. The send() method can use one of the following formats, where status is the HTTP status code and body is a String or Buffer object:
res.send(status, [body])res.send([body])
If you specify a Buffer object, the Content-Type is automatically set to application/octet-stream unless you explicitly set it to something else. For example:
res.set('Content-Type', 'text/html');res.send(new Buffer('<html><body>HTML String</body></html>'));
The send() method can really handle all the responses necessary, as long as you set the appropriate headers and status for the response. Once the send() ...
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