The VUE-resource is a plug-in for Vue.js. This plug-in is used with Vue.js to make web requests and handle responses, in which XHMLHttpRequests or JSONP is used.

You can use the following yarn or npm command to install VUE-resource:

$ yarn add vue-resource
$ npm install vue-resource

In Vue.js, vue-resource used to be a widely used plugin for handling AJAX requests and RESTful APIs. However, as of Vue.js version 2.0 and later, the recommended approach for handling HTTP requests is using the axios library or the built-in fetch API due to better support and more features.

If you’re asked about vue-resource in an interview, you should mention that it’s an HTTP client plugin for Vue.js that simplifies making HTTP requests and handling responses. However, it’s worth noting that vue-resource is considered deprecated in favor of other options like axios.

To install vue-resource, you would typically use npm (Node Package Manager) or Yarn. Here’s how you would install it using npm:

bash

npm install vue-resource --save

Or with Yarn:

bash

yarn add vue-resource

After installing vue-resource, you would need to import it into your Vue.js application and configure it to use in your project. Here’s a basic example of how you might set it up:

javascript

import Vue from 'vue';

import VueResource from 'vue-resource';
Vue.use(VueResource);

// Now you can use VueResource in your components

However, remember to emphasize that while vue-resource can still be used, it’s generally recommended to use axios or fetch for new projects or when updating existing ones due to better community support and ongoing development.