VueJs Basic Quiz at Pariksha.io

VueJs Basic
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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

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