Vue.js is a JavaScript framework for building user interfaces. It builds on top of standard HTML, CSS, and JavaScript and provides a declarative and component-based programming model that helps you efficiently develop user interfaces, be they simple or complex.
This quiz is designed for beginners and covers the fundamental concepts of VueJS. Each question is followed by an answer and a brief explanation to enhance your understanding. Let's dive in!
1. What is VueJS primarily used for?
A. Backend development
B. Mobile app development
C. Game development
D. Frontend development
2. Which directive is used in VueJS to bind an attribute to an expression?
A. v-for
B. v-bind
C. v-model
D. v-if
3. What is the VueJS syntax for looping through items in an array?
A. v-repeat
B. v-for
C. v-loop
D. v-iterate
4. In VueJS, which directive is used for two-way data binding on an input element?
A. v-bind
B. v-input
C. v-model
D. v-data
5. Which VueJS instance lifecycle hook is called once the instance is mounted onto the DOM?
A. created
B. beforeMount
C. mounted
D. beforeCreate
6. What is Vuex used for in a VueJS application?
A. Animation effects
B. Routing
C. State management
D. Compiling templates
7. In VueJS, how do you define a computed property?
A. Inside the methods object
B. Inside the computed object
C. Inside the props object
D. Inside the data function
8. Which directive is used to conditionally render a block in VueJS?
A. v-show
B. v-bind
C. v-for
D. v-if
9. Which of the following can be used to capture DOM events and execute some JavaScript?
A. v-capture
B. v-bind
C. v-for
D. v-on
10. What does the Vue CLI command vue create my-project do?
A. Deletes a Vue project named my-project
B. Updates a Vue project named my-project
C. Creates a new Vue project named my-project
D. Opens a Vue project named my-project
11. Which component option allows you to specify child components?
A. children
B. subs
C. components
D. subcomponents
12. How can you access the properties passed to a Vue component?
A. this.data
B. this.properties
C. this.props
D. this.values
13. In VueJS, what is a directive that can conditionally apply to a class?
A. v-class
B. v-bind:class
C. v-style
D. v-css
14. When a Vue instance reaches the end of its lifecycle, which hook is called?
A. beforeDestroy
B. destroyed
C. beforeDelete
D. deleted
15. What file extension is commonly associated with single-file Vue components?
A. .vuejs
B. .vjs
C. .v
D. .vue
16. What is the purpose of a Vue Router in a VueJS application?
A. Component styling
B. Client-side routing
C. State management
D. Data modeling
17. What command is used to install a VueJS plugin?
A. vue add
B. vue install
C. vue plugin
D. vue use
18. Which Vue directive is used to execute expressions on load of an element?
A. v-load
B. v-on:load
C. v-bind:load
D. v-if:load
19. In VueJS, how do you specify a prop that is required for a component?
A. isRequired: true
B. required: true
C. prop: required
D. mandatory: true
20. Which feature of Vue allows for the reuse of component logic across multiple components?
A. Directives
B. Mixins
C. Templates
D. Scaffolds
21. What is the role of the computed property in a Vue component?
A. To manage local state
B. To register component methods
C. To store static data values
D. To define reactive getters
22. What would you use to iterate over items in an array in a Vue template?
A. v-loop
B. v-iterate
C. v-repeat
D. v-for
23. How do you handle an event like a button click in Vue?
A. v-event:click
B. v-handle:click
C. v-click
D. v-on:click
24. If you want to conditionally render an element in Vue, which directive would you use?
A. v-if
B. v-show
C. Both A and B
D. Neither A nor B
25. In Vue single-file components, which tag is used to include the component's template?
A. <script>
B. <vue>
C. <template>
D. <style>
26. In Vue, how can you prevent the default behavior of an event?
A. using v-prevent
B. using event.prevent()
C. using .prevent modifier
D. using v-stop
27. What is a Vue "filter" used for?
A. Filtering items in an array
B. Performing asynchronous operations
C. Transforming the output of an expression
D. Handling events
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