.webp)
What is Vue.js and why would you choose it over other frameworks?
Vue.js is a progressive JavaScript framework used for building user interfaces and single-page applications. It is easy to integrate with other projects and libraries, making it a popular choice for its flexibility and simplicity compared to heavier frameworks like Angular or React.
Can you explain the Vue.js component lifecycle?
Vue.js components have several lifecycle hooks, such as `created`, `mounted`, `updated`, and `destroyed`, which allow developers to perform operations at different stages of a component's life.
How do you handle state management in Vue.js applications?
In Vue.js applications, state management can be handled using Vuex, a state management library designed specifically for Vue, which allows managing the central state of the application in a single store.
What are some key differences between Vue.js and React.js?
Vue.js offers two-way data binding similar to Angular, while React uses one-way data flow. Vue is generally easier to learn and set up and comes with a templating system, whereas React relies on JSX.
How do you perform API requests in a Vue.js application?
API requests in a Vue.js application can be handled using libraries like Axios or Fetch API within lifecycle hooks or in Vue components' methods.
What's the purpose of Vue Router in Vue.js applications?
Vue Router is the official router for Vue.js and is used to build single-page applications with navigation across different routes/products without refreshing the page.
How do you optimize performance in Vue.js applications?
Optimizing performance in Vue.js involves lazy loading components, using Vue’s async components, optimizing images and assets, utilizing the Vue devtools for performance profiling, and keeping the component state local when possible.
Explain the concept of 'slots' in Vue.js.
Slots' in Vue.js allow developers to pass components or elements to be rendered inside other components. They facilitate the creation of flexible and reusable components.
What is Vue CLI and how does it assist Vue.js development?
Vue CLI is a standard tooling baseline that allows developers to start building Vue.js applications quickly with a pre-configured setup which can include build tools like webpack, Babel, ESLint, and others.
Describe how Vue.js handles form input binding.
Vue.js handles form input binding with the `v-model` directive, which creates a two-way data binding on form elements like inputs, select fields, and textareas, providing syntactic sugar for updating form data.
.png)
.avif)