req.param(name [, defaultValue]) Deprecated. Use either req.params, req.body or req

res.get(field) Returns the HTTP response header specified by field. The match is case-insensitive.

res.redirect([status,] path) Redirects to the URL derived from the specified path, with specified status, a positive

Events

Node.js vulnerabilities directly affect Express. Therefore keep

Define error-handling middleware functions in the same way as other middleware functions, except error-handling functions have four arguments instead of three: (err,

req.ip Contains the remote IP address of the request. When the trust proxy setting does not evaluate

res.append(field [, value]) res.append() is supported by Express v4.11.0+

app.on('mount', callback(parent)) The mount event is fired on a sub-app, when it is mounted on a parent app. The parent app is

app.delete(path, callback [, callback ...]) Routes HTTP DELETE requests to the specified path with the specified callback functions. For more