There are more AWS SDK examples available in the [AWS Doc SDK Examples](https://github.com/awsdocs/aws-doc-sdk-examples) GitHub repo.

# Invoke a Lambda function from a browser
<a name="lambda_example_cross_LambdaForBrowser_section"></a>

The following code example shows how to invoke an AWS Lambda function from a browser.

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#### [ JavaScript ]

**SDK for JavaScript (v2)**  
 You can create a browser-based application that uses an AWS Lambda function to update an Amazon DynamoDB table with user selections.   
 For complete source code and instructions on how to set up and run, see the full example on [GitHub](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javascript/example_code/lambda/lambda-for-browser).   

**Services used in this example**
+ DynamoDB
+ Lambda

**SDK for JavaScript (v3)**  
 You can create a browser-based application that uses an AWS Lambda function to update an Amazon DynamoDB table with user selections. This app uses AWS SDK for JavaScript v3.   
 For complete source code and instructions on how to set up and run, see the full example on [GitHub](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javascriptv3/example_code/cross-services/lambda-for-browser).   

**Services used in this example**
+ DynamoDB
+ Lambda

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## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS SDK Code Examples. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query code-library` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).