kahoots_17_June_2019.md

What is ExpressJS?

1. a programming language
2. a web application framework
3. an npm package
4. a runtime

What is true for this code snippet?

const express = require('express')
const app = express()

app.get('/', (x, y) => {
  // code
})

1. y is the request object
2. x is the response object
3. y is the response object
4. x and y are defined by you

What is x in this code snippet?

let mern = ["MongoDB", "Express", "React", "Node"]

let x = mern.filter( item => (item === "Express"))

1. [ 'Express' ]
2. 'Express'
3. 'React'
4. undefined

What is the value of "mern" after the splice operation?

let mern = ["MongoDB", "Express", "React", "Node"]
let x = mern.splice(1,2)

1. [ 'MongoDB', 'Node' ]
2. [ 'Express', 'React' ]
3. [ 'MongoDB', 'Express' ]
4. [ 'React', 'Node' ]

What HTTP method do we use to update something?

1. POST
2. PUT
3. POST
4. GET

Which Express method do we use to connect to a port?

1. .get
2. .use
3. .listen
4. app()

How do we install an npm package as a development dependency?

1. npm install [--save-prod]
2. npm install <package-name> [--save-dev]
3. npm add [--save-dev]
4. gem install

What will be user2.printName()?

let user1 = {
  name: "Bob",
  printName: function(){
    console.log(this.name)
  }
}
let user2 = {
  name: "Ben"
}
user2.printName = user1.printName

user2.printName()

1. Bob
2. Ben
3. undefined
4. Throw error

What is this in the browser environment?

1. The window object
2. DOM
3. {}
4. the browser object

How do we get the color out of the following code snippet using object destructuring?

let cat = { 
  profile: { 
      color: 'white',
      weight: 7
  } 
}

1. const { profile: { color } } = cat
2. const { color } = cat
3. const color = { cat }
4. const color = cat.profile.color