Top Interview Questions on Vue.JS

To use a single-file component in Vue.js, we have to set up Vue Loader for parsing the file (It is done automatically as a part of a webpack building pipeline). It also supports non-default languages such as Sass or HTML templating languages with pluggable pre-processors. To use a single-file component in Vue.js, follow these steps: … Read more

In Vue.js, a single-file component is a file with a .vue extension that contains a Vue component. The single-file component consists of the component’s template, logic, and styles, all bundled together in one file. It also contains one block, optional and blocks, and possible additional custom blocks. A single-file component in Vue.js is a file … Read more

The following types of directives are used in Vue.js: General Directives Literal Directives Empty Directives Custom Directives In Vue.js, directives are special tokens in the markup that tell the library to do something to a DOM element. There are mainly three types of directives used in Vue.js: Element Directives: These are typically prefixed with v- … Read more

It is recommended not to use v-if and v-for directives together on the same element because the v-for directive has a higher priority than v-if directive. If you use both directives together, then there are two common cases where this may be tempting: When you have to filter items in a list (e.g. v-for=”user in … Read more

To render DOM elements more efficiently, Vue.js reuses the elements instead of creating a new element every time. The key is a kind of flag that tells Vue “if the data associated with this child component is moved somewhere else, then move the component along with it to preserve the changes that already exist.” In … Read more