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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 Which of the following directives is to used for attaching event listeners that invoke methods?
- v-for
- v-on
- v-model
- v-bind
3/25 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.
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 of the following is the full form of MVVM?
- Model-View-ValueModel
- Model-Value-ValueModel
- Model-View-ViewModel
- Module-Value-ViewModel
6/25 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
7/25 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
8/25 How do you conditionally render elements in a Vue.js template?
- Using the 'v-for' directive
- Using the 'v-model' directive
- Using the 'v-if', 'v-else-if', and 'v-else' directives
- Using the 'v-show' directive
9/25 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
10/25 Which Vue.js lifecycle hook should be used for fetching data when a component is created?
- mounted
- created
- beforeCreate
- beforeMount
11/25 What is the role of the 'filters' feature in Vue.js?
- For creating global mixins
- For applying common text formatting
- For filtering items in a v-for list
- For validating form inputs
12/25 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
13/25 How is 'Vue.nextTick()' primarily used in Vue.js?
- For error handling
- To wait for the next DOM update cycle before executing code
- To trigger a component update
- To delay a method execution
14/25 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
15/25 Which Vue.js feature is used to transform props into local, reactive data?
- Computed properties
- Watchers
- Data properties
- Props down, events up
16/25 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' } }
17/25 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
18/25 How can you access the route parameters in a Vue component using Vue Router?
- this.$route.params
- this.params
- Vue.getParams()
- this.$router.params
19/25 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 })
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 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
22/25 In Vue.js, what does the 'mounted' lifecycle hook represent?
- The component is about to be mounted
- The component has been inserted into the DOM
- The component's data has been initialized
- The component is about to be updated
23/25 What is the purpose of the 'nextTick' method in Vue.js?
- To delay a function execution until the next DOM update cycle
- To navigate to the next route in Vue Router
- To proceed to the next item in a v-for loop
- To update data properties in the next component update
24/25 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
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
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