Vue.js is a progressive JavaScript framework that has gained immense popularity for its simplicity and flexibility in building user interfaces. With its elegant design and ease of integration into projects, Vue.js allows developers to create interactive and dynamic web applications. Vue.js follows a component-based architecture, making it easy to develop and maintain complex applications. Whether you're building single-page applications (SPAs), progressive web apps (PWAs), or incorporating Vue.js into existing projects, it empowers you to craft responsive and feature-rich user experiences with ease and efficiency.
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Practice Test
81. What is Vue Router used for in a Vue.js application?
A. Managing HTTP requests
B. Handling user interface transitions
C. Data validation
D. State management
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Answer: Handling user interface transitions
82. How do you install Vue Router in a Vue.js project?
A. It's included by default in Vue.js
B. Using the vue add router command
C. Manually download and configure
D. Install it as a global package
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Answer: Using the vue add router command
83. In Vue Router, what is the primary purpose of a route component?
A. To define the application's layout
B. To manage the application's state
C. To display the main content of a route
D. To create custom directives
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Answer: To display the main content of a route
84. Which Vue Router method is used to navigate to a different route programmatically?
A. this.goToRoute('path')
B. $router.navigate('path')
C. $router.push('path')
D. $route.navigate('path')
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Answer: $router.push('path')
85. What is a route parameter in Vue Router?
A. A query string parameter
B. A URL fragment parameter
C. A dynamic part of the URL
D. A named route parameter
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Answer: A dynamic part of the URL
86. How do you define a named route in Vue Router?
A. Using the name property
B. Using the path property
C. Using the component property
D. Using the route property
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Answer: Using the name property
87. In Vue Router, what is a route guard used for?
A. To navigate to a different route
B. To protect routes from unauthorized access
C. To define route parameters
D. To create nested routes
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Answer: To protect routes from unauthorized access
88. Which Vue Router navigation method allows you to go back to the previous route?
A. $router.navigateBack()
B. $router.back()
C. $router.previous()
D. $router.go(-1)
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Answer: $router.back()
89. What is lazy loading in the context of Vue Router?
A. Loading routes only when they are needed
B. Delaying route transitions
C. Loading data asynchronously
D. Loading global components dynamically
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Answer: Loading routes only when they are needed
90. In Vue Router, what is the purpose of the beforeEach navigation guard?
A. To specify the route layout
B. To define route parameters
C. To perform actions before each route change
D. To protect routes from unauthorized access
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Answer: To protect routes from unauthorized access
