Duoc Nguyen

This plugin use BasketJs to cache all your javascript file to browser’s localstorage for faster caching.
Your can readmore about BasketJs at here : <a href="http://addyosmani.github.io/basket.js/" rel="nofollow ugc">BasketJs</a>
For developer, you can contribute to this plugin by fork and make pr on github : <a href="https://github.com/nguyenvanduocit/wp-basketjs" rel="nofollow ugc">BasketJs on github</a>

WP BasketJs

This plugin use BasketJs to cache all your javascript file to browser's localstorage for faster caching.

sethlivingston

Inject JavaScript and CSS files into your website without having to know the details of the underlying HTML. Paste the 
URLs to external files into the WordPress Admin Settings, and Scripts and Styles will create and insert <script> 
and <link> tags for you.
Banner image by JD Hancock (https://flic.kr/p/cTn6M9)

Scripts and Styles

Inject JavaScript and CSS files into your website. Encourages best practices for performance and compatibility.

WP BasketJs vs Scripts and Styles