insatall vue code example

Example 1: vue cdn

<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vue.js"></script>

Example 2: install vue-cli

npm install -g vue-cli    //make sure you have node and npm installed 
vue init webpack <appname>  //  eg:  vue init webpack myapp
cd <appname>               // cd myapp
npm install
npm run dev  //server will start in port 8080