This method returns the value of param name when present. With Content-Type: text/html charset=utf-8 This method returns true if the incoming request’s "Content-Type" HTTP header field matches the MIME type specified by the type parameter. This method returns the specified HTTP request header field. To understand why this is such a big deal, let’s explore how Fetch came to be and what this new addition. On 1 February 2022, the Node.js core team merged a pull request adding the Fetch API to Node. This method checks if the specified content types are acceptable, based on the request’s Accept HTTP header field. The Fetch API was a long time coming, and its introduction heralded a new era of live and interactive webpages. Request Object Methods req.accepts(types) Indicates whether the request is "stale," and is the opposite of req.fresh.Īn array of subdomains in the domain name of the request.Ī Boolean value that is true if the request’s "X-Requested-With" header field is “XMLHttpRequest”, indicating that the request was issued by a client library such as jQuery. When using cookie-parser middleware, this property contains signed cookies sent by the request, unsigned and ready for use. The request protocol string, "http" or "https" when requested with TLS.Īn object containing a property for each query string parameter in the route.Ī Boolean that is true if a TLS connection is established. Ĭontains the path part of the request URL. Node maintains several connections per server to make HTTP requests. For example, if you have the route /user/:name, then the "name" property is available as . write(data, encoding) followed by response.end(). This property is much like req.url however, it retains the original request URL, allowing you to rewrite req.url freely for internal routing purposes.Īn object containing properties mapped to the named route “parameters”. When the trust proxy setting is true, this property contains an array of IP addresses specified in the “X-Forwarded-For” request header. Indicates whether the request is "fresh." It is the opposite of req.stale.Ĭontains the hostname from the "Host" HTTP header. When using cookie-parser middleware, this property is an object that contains cookies sent by the request. By default, it is undefined, and is populated when you use body-parsing middleware such as body-parser The URL path on which a router instance was mounted.Ĭontains key-value pairs of data submitted in the request body. This property holds a reference to the instance of the express application that is using the middleware. Request Object Propertiesįollowing is the list of few properties associated with request object. The req object represents the HTTP request and has properties for the request query string, parameters, body, HTTP headers, and so on.
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