Test Your Vue.js Basics Knowledge - Can You Ace Our 25-Question Quiz?

1/25 What are the advantages of using Vue.js?

Small in size — The size is 18 to 21KB. It requires no time for the user to download and apply it.
Easily understandable — One of the reasons for the popularity of this framework is that it is quite easy to understand. Users can easily add Vue.js to their web project due to its simple structure.
Straightforward integration- you can easily integrate it with the existing applications.
Virtual DOM — It is capable of using the virtual DOM like other existing frameworks such as ReactJS, Ember, and so on. Virtual DOM is considered a lightweight in-memory tree representation of the original HTML DOM and updated without impacting the origina
All of the above

2/25 If you use .passive and .prevent together, .prevent will be ignored. Probably, it will show you a warning.

True
False

3/25 What data binding interpolation is commonly known as “Mustache” syntax?

[]
v-model
{{}}
v-on

4/25 Once a View Model is destroyed, all the event listeners are automatically deleted.

True
False

5/25 What is used to dynamically bind one or more attributes either a component property to an expression?

v-pre
v-bind
v-once
v-html

6/25 Which is the correct way of generating a new instance in Vue.js?

var text = new Vue({ // options })
var text = new vue(){ // options }
var text = new object({ // options })
var text = new text({ // options })

7/25 What event modifier is used for performing the click event only for one time?

<a @click.once="dotask"></a>
<a @click.prevent-once="dotask"></a>
<a @click.stop="dotask"></a>
<a @click.passive="dotask"></a>

8/25 Which of the following is the full form of MVVM?

Model-View-ValueModel
Model-Value-ValueModel
Model-View-ViewModel
Module-Value-ViewModel

9/25 V-model directive is used in ...

two-way data binding where the view(UI) part of application automatically updates when data Model is changed.
two-way data binding where the view(UI) part of application does not update automatically. We need to write some custom code to make it updated every time a data model is changed.
one-way data binding where the view(UI) part of application automatically updates when data Model is changed.
one-way data binding where the view(UI) part of application does not updates automatically. Some custom code should be written for making it updated every time a data model is modified.

10/25 What is the purpose of the 'computed' property in Vue.js?

To store application state
To define methods
To define asynchronous operations
To calculate and return a value based on reactive dependencies
To interact with the DOM directly

11/25 How can you pass data from a parent to a child component in Vue.js?

Using the $emit method
Using the $parent property
Using props
Using global state management

12/25 What is the purpose of the 'v-bind' directive in Vue.js?

To bind class and style properties
To bind DOM properties to data
To display text content
To define methods for event handling

13/25 In Vue.js, how can you listen to native DOM events on a custom component?

Using the '.native' modifier on a 'v-on' directive
Using the 'v-model' directive
Using the 'v-if' directive
Using the 'v-show' directive

14/25 How do you access a parent component's methods from a child component?

Using this.$parent.methodName()
Using this.$child.methodName()
Using Vue.parent.methodName()
This is not possible in Vue.js

15/25 What is the purpose of the 'provide' and 'inject' feature in Vue.js?

For server-side rendering
For passing data down the component tree without props
For managing global state
For integrating with third-party libraries

16/25 In Vue.js, what is the purpose of the 'v-cloak' directive?

To conditionally render elements
To delay the rendering of a component
To prevent flickering of uncompiled content
To cloak sensitive data

17/25 What is the main purpose of using 'slots' in Vue.js components?

To inject content into a component from its parent
To manage global state
To store data
To perform data binding

18/25 How can you define a prop in a Vue.js component that expects a specific data type?

props: { propName: 'String' }
props: { propName: String }
props: ['propName: String']
props: { propName: { type: 'String' } }

19/25 What is the purpose of the 'name' property in a Vue.js component?

To specify the name used in the DOM
To define the component's name for recursive calls
To set the name attribute on the root element
To identify the component in Vue Devtools

20/25 In Vue.js, what is the primary use of the 'provide/inject' feature?

To pass data from parent to child components
To inject services or dependencies into a component
To manage global state
To provide reactive data sources

21/25 How do you declare a prop in Vue.js that has a default value and validation?

props: { propName: { default: value, validator: function } }
props: ['propName', default: value, validate: function]
props: { propName: value, validator: function }
props: { propName: { value, validator: function } }

22/25 What is the purpose of the 'v-show' directive in Vue.js?

To toggle the visibility of an element
To show an element for a single render
To insert or remove an element from the DOM
To display data-bound values

23/25 In Vue.js, how does the 'v-model' directive work with a checkbox input?

It binds to the 'checked' property of the checkbox
It binds to the 'value' attribute of the checkbox
It toggles the 'disabled' state of the checkbox
It is not applicable for checkbox inputs

24/25 How can you define local state in a Vue.js component?

Using the 'state' option
Using the 'data' function
Using the 'computed' property
Using the 'methods' property

25/25 What is the primary function of the 'computed' properties in Vue.js?

To store and manage global state
To execute functions upon event triggering
To calculate derived state based on reactive data
To bind DOM elements to component data

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