install vue js

JavaScript
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<script type="module">
  import Vue from 'https://cdn.jsdelivr.net/npm/[email protected]/dist/vue.esm.browser.js'
</script>/*for development ===>*/ <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
/*for production ===>*/ <script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
Source

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