Vue 2 Basics (Legacy Quiz)

Vue 2 Basics (Legacy Quiz)
Vue (pronounced /vjuː/, like view) is a JavaScript framework for building user interfaces. Test your knowledge of Vue 2 basics.

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10 Questions
1
Lifecycle Hooks
Select invalid Vue Lifecycle Hooks, if any.

ready

created

mounted

updated

destroyed
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

Vue 2 Basics (Legacy Quiz)

Lifecycle Hooks

Components

Data Option

Props

Data Communication

Props

Data

Binding

Props

Props