The AWS SDK for JavaScript v2 has reached end-of-support. We recommend that you migrate to [AWS SDK for JavaScript v3](https://docs.aws.amazon.com//sdk-for-javascript/v3/developer-guide/). For additional details and information on how to migrate, please refer to this [announcement](https://aws.amazon.com/blogs//developer/announcing-end-of-support-for-aws-sdk-for-javascript-v2/).

# Setting Credentials in a Web Browser
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There are several ways to supply your credentials to the SDK from browser scripts. Some of these are more secure and others afford greater convenience while developing a script. Here are the ways you can supply your credentials in order of recommendation:

1. Using Amazon Cognito Identity to authenticate users and supply credentials

1. Using web federated identity

1. Hard coded in the script

**Warning**  
We do not recommend hard coding your AWS credentials in your scripts. Hard coding credentials poses a risk of exposing your access key ID and secret access key.

**Topics**
+ [Using Amazon Cognito Identity to Authenticate Users](loading-browser-credentials-cognito.md)
+ [Using Web Federated Identity to Authenticate Users](loading-browser-credentials-federated-id.md)
+ [Web Federated Identity Examples](config-web-identity-examples.md)