The AWS SDK for JavaScript version 3 (v3) is a rewrite of v2 with some great new features, including modular architecture. For more information, see the AWS SDK for JavaScript v3 Developer Guide.
Amazon S3 Examples
Amazon Simple Storage Service (Amazon S3) is a web service that provides highly scalable cloud storage. Amazon S3 provides easy to use object storage, with a simple web service interface to store and retrieve any amount of data from anywhere on the web.

The JavaScript API for Amazon S3 is exposed through the AWS.S3
client class. For more information about using the Amazon S3 client class, see Class: AWS.S3
in the API reference.