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Vue.js Basics

1/25 What is the difference between v-html and v-text?
- v-text sets the textContent of the node
- v-html sets the innerHTML of the element
- Both of the statements above are true.
- Both of the statements are false.
2/25 Which of the following event modifiers is applied only for prevent clicks on the element itself?
- @click.prevent.self
- @click.self.prevent
- @click.stop
- @click.prevent
3/25 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
4/25 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>
5/25 V-show does not support the <template> element.
- True
- False
6/25 All are life cycle hooks in Vue except ...
- beforeCreate
- created
- mounted
- beforeMount
- didMount
7/25 How $parent is described in Vue?
- The $parent property, like $root, can be used for accessing the parent instance from a child.
- It provides direct access, making the application hard to test and debug.
- Both of the options above are true.
- None of the above is true.
8/25 What is Vuex used for in a Vue.js application?
- Server-side rendering
- Managing global application state
- Routing
- Component styling
9/25 What is the purpose of the 'v-slot' directive in Vue.js?
- To conditionally render elements
- To access scoped slot content in a child component
- To bind dynamic class names
- To listen for DOM events
10/25 In Vue.js, how can you listen to native DOM events on a custom component?
- Using the '.native' modifier on a 'v-on' directive
- Using the 'v-model' directive
- Using the 'v-if' directive
- Using the 'v-show' directive
11/25 Which Vue.js lifecycle hook should be used for fetching data when a component is created?
- mounted
- created
- beforeCreate
- beforeMount
12/25 What is the purpose of the 'mixins' feature in Vue.js?
- For styling components
- For sharing functionality between components
- For rendering components on the server side
- For managing application state
13/25 How do you access a parent component's methods from a child component?
- Using this.$parent.methodName()
- Using this.$child.methodName()
- Using Vue.parent.methodName()
- This is not possible in Vue.js
14/25 How can you make a Vue.js component reactive to changes in an object that was not reactive initially?
- Using Vue.set(object, key, value)
- This is not possible in Vue.js
- By reassigning the object
- Using object.key = value
15/25 What is the purpose of the 'key' attribute in a v-for directive in Vue.js?
- To provide a unique identifier for each element
- To optimize list rendering
- To define the order of elements
- To bind data to list items
16/25 Which method is used to programmatically navigate to a different route in Vue.js using Vue Router?
- this.$route.navigate('/path')
- this.$router.push('/path')
- Vue.navigate('/path')
- this.$router.goto('/path')
17/25 In Vue.js, which option is used to define a component's initial data state?
- data: {}
- state: {}
- model: {}
- props: {}
18/25 In Vue.js, which is the correct way to register a local component?
- Vue.component('my-component', {})
- components: {'my-component': {}}
- Vue.register('my-component', {})
- Vue.use('my-component', {})
19/25 In Vue.js, how can you access the root Vue instance within a component?
- this.$root
- Vue.$root
- this.$parent.root
- this.root
20/25 In Vue.js, which of the following is a correct way to make a deep watch on an object?
- watch: { 'object': { deep: true } }
- watch: { object: { handler: 'method', deep: true } }
- watch: { object.deep: 'method' }
- this.$watch('object', 'method', { deep: true })
21/25 Which Vue.js feature allows you to perform side effects in response to reactive data changes?
- Methods
- Computed properties
- Watchers
- Directives
22/25 What is the primary use of the 'props' option in a Vue.js component?
- To pass data to child components
- To receive data from parent components
- To store internal component state
- To define computed properties
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 In Vue.js, how do you emit an event from a child component to its parent?
- this.$emit('eventName')
- Vue.emit('eventName')
- this.$parent.emit('eventName')
- this.$dispatch('eventName')
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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