res.type()

res.type(type)

Sets the Content-Type HTTP header to the MIME type as determined by mime.lookup() for the specified type. If type contains the “/” character, then it sets the Content-Type to type.

res.type('.html');              // => 'text/html'
res.type('html');               // => 'text/html'
res.type('json');               // => 'application/json'
res.type('application/json');   // => 'application/json'
res.type('png');                // => image/png:

Links:

http://expressjs.com/en/4x/api.html#res.type

doc_Express

2016-05-02 16:35:02

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