摘要：
Route InstanceLet's rewrite our cities routes using a Route Instance.Create a newRoute Instancefor the'/cities'URL path and assign it to thecitiesRout... 阅读全文
摘要：
Response BodyWhat would the response body be set to on aDELETErequest to/cities/DoesNotExist? Here'sthe linkto thesendStatusfunction source code if yo... 阅读全文
摘要：
Parser SetupAssume thebody-parsermiddleware is installed. Now, let's use it in our Express application.npm install body-parserRequire thebody-parsernp... 阅读全文
摘要：
Flexible RoutesOur current route only works when the city name argument matches exactly the properties in thecitiesobject. This is a problem. We need ... 阅读全文
摘要：
City SearchWe want to create an endpoint that we can use to filter cities. Follow the tasks below to to create this new route.Create a new route forGE... 阅读全文
摘要：
Logging MiddlewareHelp finish the following middleware code in thelogger.jsfile:On theresponseobject, listen to the event that's emitted when the resp... 阅读全文
摘要：
Mounting MiddlewareGiven an application instance is set to theappvariable, which of the following function calls would you use to mount a middleware c... 阅读全文