Week 10 React Part 1

Question 1

Everything in React is a

Answer 1

component

Question 2

React does not update the

Answer 2

DOM

Question 3

React updates the

Answer 3

Virtual DOM

Question 4

React was built and maintained by

Answer 4

Facebook

Question 5

Components are

Answer 5

reusable pieces of code

Question 6

bundle.js is created by

Answer 6

webpack

Question 7

every component is a

Answer 7

class

Question 8

every component a __________ method

Answer 8

render

Question 9

to render React you need the __________ package

Answer 9

react-dom

Question 10

to mount your React App to the DOM you use the _______ method

Answer 10

render()

Question 11

The best practice is to create components in

Answer 11

separate file

Question 12

to make a component visible to other code in your app you need to ___________ the component

Answer 12

export

Question 13

mixing javascript and HTML is done through

Answer 13

JSX

Question 14

class is __________ in JSX

Answer 14

className

Question 15

wrap you return statements in

Answer 15

()

Question 16

return is not a

Answer 16

function it is a keyword

Question 17

you can only return one

Answer 17

element

Question 18

to render a dummy tag use

Answer 18

React.Fragment

Question 19

Comments in JSX are made by

Answer 19

{/* */}

Question 20

comments in the render have to be between

Answer 20

the enclosing tags

Question 21

class names should begin with

Answer 21

capitals

Question 22

props are similar to an HTML

Answer 22

attribute

Question 23

__________ are the way we get data into our components

Answer 23

props

Question 24

props passed into a component that is not a string must be enclosed in

Answer 24

{ }

Question 25

to use a variable in JSX you use

Answer 25

{ }

Question 26

components are just an

Answer 26

object