req.param()

req.param(name [, defaultValue])

Deprecated. Use either req.params, req.body or req.query, as applicable.

Returns the value of param name when present.

// ?name=tobi
req.param('name')
// => "tobi"

// POST name=tobi
req.param('name')
// => "tobi"

// /user/tobi for /user/:name
req.param('name')
// => "tobi"

Lookup is performed in the following order:

req.params
req.body
req.query

Optionally, you can specify defaultValue to set a default value if the parameter is not found in any of the request objects.

Direct access to req.body, req.params, and req.query should be favoured for clarity - unless you truly accept input from each object.

Body-parsing middleware must be loaded for req.param() to work predictably. Refer req.body for details.

Links:

http://expressjs.com/en/4x/api.html#req.param

doc_Express

2025-01-10 15:47:30

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