Books

Learn HTML Learn CSS Learn Git Learn Javascript Learn PHP Learn python Learn Java

Exercises

HTML JavaScript Git CSS PHP

Courses Quizzes Snippets

Tools

General Tools

Password Generator
HTML Editor
HTML Encoder
Base 64
Code Diff
JSON Beautifier
CSS Beautifier
Markdown Convertor
Find the Closest Tailwind CSS Color
Phrase encrypt / decrypt
Browser Feature Detection
Number convertor
JTW Decoder

CSS Maker

CSS Maker
CSS Maker text shadow
CSS Maker Text Rotation
CSS Maker Out Line
CSS Maker RGB Shadow
CSS Maker Transform
CSS Maker Font Face

Color Tools

Color Picker
Colors CMYK
Colors HWB
Colors HSL
Color Hex
Color mixer
Color Converter
Colors RGB
Color Contrast Analyzer
Color Gradient

String Tools

String Length Calculator
MD5 Hash Generator
Sha256 Hash Generator
String Reverse
URL Encoder
URL Decoder
Base 64 Encoder
Base 64 Decoder
Extra Spaces Remover
String to Lowercase
String to Uppercase
Word Count Calculator
Empty Lines Remover
HTML Tags Remover
Binary to Hex
Hex to Binary
Rot13 Transform on a String
String to Binary
Duplicate Lines Remover

Books
How To

Vue.js Basics

1/25 If you use .passive and .prevent together, .prevent will be ignored. Probably, it will show you a warning.
- True
- False
2/25 What data binding interpolation is commonly known as “Mustache” syntax?
- []
- v-model
- {{}}
- v-on
3/25 Once a View Model is destroyed, all the event listeners are automatically deleted.
- True
- False
4/25 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
5/25 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 })
6/25 All are life cycle hooks in Vue except ...
- beforeCreate
- created
- mounted
- beforeMount
- didMount
7/25 What is the difference between v-show and v-if directives?
- v-if only renders the element to the DOM if the expression passes whereas v-show renders all elements to the DOM and then uses the CSS display property to show/hide elements based on expression.
- v-if supports v-else and v-else-if directives whereas v-show doesn't support else directives.
- v-if supports tab but v-show doesn't support.
- All of the above
8/25 How can you pass data from a parent to a child component in Vue.js?
- Using the $emit method
- Using the $parent property
- Using props
- Using global state management
9/25 What is Vuex used for in a Vue.js application?
- Server-side rendering
- Managing global application state
- Routing
- Component styling
10/25 In Vue.js, how do you iterate over an array of items in a template?
- Using the 'v-if' directive
- Using the 'v-for' directive
- Using the 'v-model' directive
- Using the 'v-bind' directive
11/25 What is the purpose of the 'v-bind' directive in Vue.js?
- To bind class and style properties
- To bind DOM properties to data
- To display text content
- To define methods for event handling
12/25 What is the default port number Vue CLI serves the application on?
- 3000
- 8080
- 8000
- 5000
13/25 In Vue.js, what is a 'directive' primarily used for?
- To manage state
- To perform HTTP requests
- To manipulate the DOM
- To define methods
14/25 What is the purpose of the 'provide' and 'inject' feature in Vue.js?
- For server-side rendering
- For passing data down the component tree without props
- For managing global state
- For integrating with third-party libraries
15/25 Which lifecycle hook in Vue.js is called right after the DOM has been updated?
- created
- beforeUpdate
- updated
- mounted
16/25 Which method is used to programmatically navigate to a different route in Vue.js using Vue Router?
- this.$route.navigate('/path')
- this.$router.push('/path')
- Vue.navigate('/path')
- this.$router.goto('/path')
17/25 What is the main use of the 'v-pre' directive in Vue.js?
- To pre-load data before rendering a component
- To skip compilation for this element and all its children
- To give priority rendering to an element
- To preserve the original state of an element
18/25 What is the purpose of the 'static' keyword in a Vue.js component?
- To create a static method in a component
- To prevent reactivity on a property
- To indicate that a property should not be included in the template
- To make a property globally accessible
19/25 In Vue.js, what does the 'functional' attribute in a component definition do?
- It makes the component stateful
- It indicates the component is purely functional and stateless
- It enhances the performance of the component
- It allows the component to maintain its own state
20/25 Which Vue.js feature allows you to perform side effects in response to reactive data changes?
- Methods
- Computed properties
- Watchers
- Directives
21/25 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
22/25 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
23/25 In Vue.js, how can you conditionally apply multiple classes to an element?
- Using the v-bind directive with an object syntax
- Using multiple v-class directives
- Using the v-style directive
- This is not possible in Vue.js
24/25 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
25/25 Which of the following is true about Vue.js mixins?
- Mixins are primarily used for styling components
- Mixins are used to distribute reusable functionalities for Vue components
- Mixins can only be applied globally
- Mixins override the component's own methods and properties
To get the result of the quiz, please provide your email address (optional)..

It seems you haven't answered any questions yet. Please provide your answers to proceed.

Quizzes
Snippets
Our Books
- Learn HTML
- Learn CSS
- Learn Git
- Learn Javascript
- Learn PHP
- Learn python
- Learn Java
- Exercises
- HTML
- JavaScript
- Git
- CSS
- PHP
Our Tools

About Us
Privacy Policy for W3Docs

Follow Us

Company © W3docs. All rights reserved.