npm install nojs
or download here
Then link it to the bottom of your web page like so:
<body> ... <script src="<PATH TO LIBRARY>/nojs/dist/no.min.js"></script> </body>
or you can link directly to the remote distribution like so:
<body> ... <script src="http://nojs.io/release/0.1.1/no.min.js"></script> </body>
Please view the Documentation for elaborate examples and usage.