This repository basically contains javascript code files which will help you operate on dynamodb tables with the help of AWS-SDK.
Configure aws-cli on your desktop
npm init
npm install aws-sdk --save
To run each file:
node < file-name >
Refer to this article for further information:
https://medium.com/@rashi29.agarwal/dynamodb-using-aws-sdk-for-javascript-node-js-7634a3cf0121