Update JS DynamoDB examples to use on-demand rather than provisioned

Author: brmur

README.md

@@ -4,7 +4,7 @@
 
 # AWS SDK Code Examples
 
-This repository contains code examples demonstrating how to use the [AWS SDKs](https://aws.amazon.com/developer/tools/) to interact with [AWS services](https://aws.amazon.com/products).
+This repository contains code examples that demonstrate how to use the [AWS SDKs](https://aws.amazon.com/developer/tools/) to interact with [AWS services](https://aws.amazon.com/products).
 
 Many examples are injected into the [AWS Documentation](https://docs.aws.amazon.com).
 

javascriptv3/example_code/dynamodb/actions/create-table.js

@@ -26,10 +26,7 @@ export const main = async () => {
         KeyType: "HASH",
       },
     ],
-    ProvisionedThroughput: {
-      ReadCapacityUnits: 1,
-      WriteCapacityUnits: 1,
-    },
+    BillingMode: "PAY_PER_REQUEST",
   });
 
   const response = await client.send(command);

javascriptv3/example_code/dynamodb/tests/delete-table.integration.test.js

@@ -28,10 +28,7 @@ describe("delete-table", () => {
           KeyType: "HASH",
         },
       ],
-      ProvisionedThroughput: {
-        ReadCapacityUnits: 1,
-        WriteCapacityUnits: 1,
-      },
+      BillingMode: "PAY_PER_REQUEST",
     });
 
     await client.send(createTableCommand);