200+ Vue Js MCQ With Online Practice Test

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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.

61. What are computed properties in Vue used for?

Answer: To cache and compute derived data

62. How do you define a computed property in a Vue component?

Answer: Using the computed option

63. In Vue, when are computed properties recalculated?

Answer: Whenever a data property changes

64. What is the main advantage of using computed properties in Vue?

Answer: They improve code organization

65. What happens when a computed property depends on a data property that changes?

Answer: The computed property is updated

66. What is the primary use case for using watchers in Vue?

Answer: To monitor changes in data

67. How do you define a watcher in a Vue component?

Answer: Using the watch option

68. What is the difference between a computed property and a watcher in Vue?

Answer: Computed properties are cached

69. In Vue, when does a watcher function get executed?

Answer: When a data property changes

70. What is the primary role of the immediate option in a Vue watcher?

Answer: To execute the watcher immediately
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