How to extract request http headers from a request using NodeJS connect

Question

I d like to get the  Host  header of a request made using Node JS s connect library bundle  My code looks like    var app   connect      use connect logger  dev       use connect static  public       use function req  res        var host   req             listen 3000     The documentation for connect is here but I don t see anything detailing the API of the req object in the above code  http   www senchalabs org connect   Edit  Note a successful answer must point to the documentation  I need this to verify which version provided the API I m looking for

User · Answer

If you use Express 4 x  you can use the req get headerName  method as described in Express 4 x API Reference

User · Answer

Check output of console log req  or console log req headers

User · Answer

var host   req headers  host       The headers are stored in a JavaScript object  with the header strings as object keys    Likewise  the user-agent header could be obtained with   var userAgent   req headers  user-agent

User · Answer

To see a list of HTTP request headers  you can use    console log JSON stringify req headers      to return a list in JSON format      host   localhost 8081    connection   keep-alive    cache-control   max-age 0    accept   text html application xhtml xml application xml q 0 9 image webp     q 0 8    upgrade-insecure-requests   1    user-agent   Mozilla 5 0  Windows NT 6 1  WOW64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 44 0 2403 107 Safari 537 36    accept-encoding   gzip  deflate  sdch    accept-language   en-US en q 0 8 et q 0 6

[node.js] How to extract request http headers from a request using NodeJS connect

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