Vue.js Interview Questions

In Vue.js, the data is passed to child components from the parent component using a prop or a custom attribute. This custom attribute becomes a property on the child component instance. This procedure is called a one-way data flow. Once the parent component updates a prop value, the child component is automatically updated. The child … Read more

The virtual DOM’s main purpose is to make DOM manipulation faster and more efficient. It becomes very crucial when you have a lot of nodes in your DOM. In this case, updating these nodes is a very expensive task for processing power and resources required. Here, virtual DOM comes into action and makes JavaScript object … Read more

In Vue.js, the virtual DOM is a tree-like data structure or a collection of JavaScript objects that represents DOM nodes. Vue.js manage the nodes of the virtual DOM, and that should be rendered on the page. These objects are called “virtual nodes” or VNodes. In Vue.js, the virtual DOM is a representation of the actual … Read more

In Vue.js, a slot is a placeholder in a child component filled with content passed from the parent component. In the slot, the component is compiled in the parent’s scope and then passed to the child component. So, it is not possible to use child component properties in a slot’s content. In Scoped slot, you … Read more

The official router of Vue.js is called Vue Router. It is by default integrated with Vue.js core and used to build Single Page Applications with Vue.js. Following is the list of important features of Vue Router: Vue Router follows a modular, component-based router configuration. Very easy to implement. You can customize the Scroll Behavior. Provides … Read more