Full Stack Web Development MASTERY Course - Novice to Expert - Express.js and API

This tutorial guides users through using the OpenWeather API to display city temperatures on a terminal. It covers creating an account, obtaining an API key, and making API calls. The video also explains installing the request package in Node.js and integrating API calls into an Express app. Users learn to fetch and display weather data, including temperature, using URL parameters.

What is the primary purpose of using the OpenWeatherMap API in this tutorial?

• To develop a mobile weather app

• To create a weather forecasting application

• To analyze historical weather data

• To display city temperatures on a terminal

What is required to generate an API key on OpenWeatherMap?

• A social media account

• A government ID

• A valid email address

• A phone number

What format is the weather data returned in by the OpenWeatherMap API?

• XML

• JSON

• CSV

• HTML

Which package is installed to handle HTTP requests in the Node.js application?

• Superagent

• Axios

• Fetch

• Request

What is the purpose of the 'request' package in this tutorial?

• To handle file uploads

• To manage database connections

• To create a user interface

• To make HTTP requests to the API

How is the city name passed to the API in the Node.js application?

• As a cookie

• As a JSON object in the body

• As a header in the HTTP request

• As a query parameter in the URL

What method is used to parse the JSON data in the Node.js application?

• JSON.stringify

• JSON.decode

• JSON.convert

• JSON.parse

What is the purpose of using backticks in the Node.js code?

• To define a string

• To create a template literal

• To declare a variable

• To comment out code

What is the role of the 'response.write' method in the application?

• To save data to a file

• To log data to the console

• To display data on the user's screen

• To send data to the server

What is the significance of the 'response.end' method in the Node.js application?

• To close the HTTP response

• To terminate the server

• To start the server

• To open a new HTTP request