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.
71. What is a Vue component?
Answer:A reusable Vue instance
72. How do you define a Vue component in a Vue application?
Answer:Using the defineComponent() method
73. What is the purpose of the data option in a Vue component definition?
Answer:To store data properties
74. How can you pass data from a parent component to a child component in Vue?
Answer:Using props
75. What is the primary role of the props option in a Vue component?
Answer:To accept data from a parent component
76. How can you emit a custom event from a child component to its parent component in Vue?
Answer:Using the $emit() method
77. In a Vue component, what is the lifecycle hook that is called when the component is mounted to the DOM?
Answer:mounted
78. What is the purpose of slots in Vue components?
Answer:To provide a template for content
79. How can you create a reusable Vue component that can be used across multiple Vue applications?
Answer:Export the component as a JavaScript module
80. What is the key benefit of using Vue components in a web application?