You can install this jquery autocomplete plugin, by using npm. Just type:
npm install easy-autocomplete
Other option is to use bower:
bower install EasyAutocomplete
Remember that in order to use EasyAutocomplete, you need to also include jQuery library file. You can download library from the jQuery website or use CDN server:
<!-- jQuery CDN --> <script src="//code.jquery.com/jquery-1.11.2.min.js"></script>
More on how to use this plugin can be found in EasyAutocomplete - jquery autocomplete - Guide section.