To view the incoming request headers, I typically use: req.headers.
I am looking to see a comprehensive list of all headers that will be included in the response.
Currently, res.headers returns undefined.
I understand that I can set response headers using: res.header('', '').
Is there a way for me to access and view the response headers?
The latest updates in express include:
res.getHeaders()
-> {x-powered-by: "Express"}
Care should be taken with properties beginning with "_", as they are not officially supported by the API. Updates may cause these properties to break without warning.
Furthermore:
response.getHeader('Content-Type'); // Returns: "text/plain"
In addition, remember that lowercase works as well:
response.getHeader('content-type');
// Returns: "text/plain"
response.getHeaders()['content-type']
// Returns: "text/plain"
Credit goes to @nem035 for the helpful information.
Check out the response headers: res.header()._headers
Learn How to Access Response Headers...
/* ------------------ Retrieve a Specific Response Header ----------------- */
/* res.getHeader('Specify Header Name Here'); */
/* For Instance */
res.getHeader('content-type');
This Technique Enables You to Fetch Response Header Names
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