Vue 2 Basics (Legacy Quiz)

1

Lifecycle Hooks

Select invalid Vue Lifecycle Hooks, if any.

2

Components

What are Components?

They are custom elements that Vue's compiler attaches behaviour to.

They extend basic HTML elements to encapsulate reusable code.

They may appear as a native HTML element extended with the special 'is' attribute.

3

Data Option

data must be a function when passed into Vue Component.

True

False

4

Props

A prop is…

automatically recognised by child component when passed through parent.

a custom attribute for passing information from parent components.

used to pass data down to child components.

5

Data Communication

Parent-child relationship of the component can be summarised as props down and events up.

True

False

6

Props

When passing down a number via prop, like this, some-prop="1"…

Value of 1 is passed down as a numeric value 1

Value of 1 is passed down as a plain string "1"

Value of 1 is ignored since numerical values are not allowed to be passed down as prop value

7

Data

Properties in data are only reactive, if they existed when the instance was _____

created

mounted

updated

destroyed

8

Binding

Shorthand syntax for v-bind is :.

True

False

9

Props

Given the one-way-down binding between child property and the parent, if you attempt to tranform the raw value of a prop from child…

Vue will automatically reflect the change in parent component.

Vue will warn you in the console.

10

Props

It is not possible for a component to specify validation requirements for the props it is receiving.

True

False