What is Vue Router? What do you understand by Vue Router?

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

Explain the all life cycle events or hooks in Vue instance in Vue.js. / Explain the Life cycle of Vue Instance with diagram.

When a Vue instance is created in Vue.js, it goes through a series of steps after creation. First, they are created then mounted and after that destroyed at the end. In this process, it also runs functions known as life cycle hooks. These life cycle hooks allow the developers to add their own code at … Read more

What are the most common cause of memory leaks in Vue.js apps, and how can they be solved?

In Vue.js applications, memory leaks often come from using third-party libraries that create their own instances and/or manipulate the DOM. The v-if directive and the Vue Router destroy Vue component instances. To overcome this issue, do a cleanup action before the component gets destroyed. It should be done manually in the beforeDestroy() lifecycle hook. For … Read more

What is the usage of ref in Vue.js?

The ref if an attribute that is used to access a component directly. Despite having the props and events, if you want to access a child component directly, you can assign a reference ID to the child component using the ref attribute. Example: Now you can use this.$refs.usernameInput where we have to define this ref … Read more

What is $child property in Vue.js?

In Vue.js, the $child property is just like $parent property, but it is used to access the child instance. In Vue.js, there is no $child property. If you encounter a question asking about $child property in Vue.js, the correct answer would be that there is no such property. In earlier versions of Vue.js (prior to … Read more