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MoviesItemOps04.html

MoviesItemOps04.html demonstrates how to

<!-- <!-- Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. This file is licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with the License. A copy of the License is located at http://aws.amazon.com/apache2.0/ This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. --> <html> <head> <script src="https://sdk.amazonaws.com/js/aws-sdk-2.7.16.min.js"></script> <script> AWS.config.update({ region: "us-west-2", endpoint: 'http://localhost:8000', // accessKeyId default can be used while using the downloadable version of DynamoDB. // For security reasons, do not store AWS Credentials in your files. Use Amazon Cognito instead. accessKeyId: "fakeMyKeyId", // secretAccessKey default can be used while using the downloadable version of DynamoDB. // For security reasons, do not store AWS Credentials in your files. Use Amazon Cognito instead. secretAccessKey: "fakeSecretAccessKey" }); var docClient = new AWS.DynamoDB.DocumentClient(); function increaseRating() { var table = "Movies"; var year = 2015; var title = "The Big New Movie"; var params = { TableName:table, Key:{ "year": year, "title": title }, UpdateExpression: "set info.rating = info.rating + :val", ExpressionAttributeValues:{ ":val":1 }, ReturnValues:"UPDATED_NEW" }; docClient.update(params, function(err, data) { if (err) { document.getElementById('textarea').innerHTML = "Unable to update rating: " + "\n" + JSON.stringify(err, undefined, 2); } else { document.getElementById('textarea').innerHTML = "Increase Rating succeeded: " + "\n" + JSON.stringify(data, undefined, 2); } }); } </script> </head> <body> <input id="increaseRating" type="button" value="Increase Rating" onclick="increaseRating();" /> <br><br> <textarea readonly id= "textarea" style="width:400px; height:800px"></textarea> </body> </html>

Sample Details

Service: dynamodb

Last tested:

Author: AWS -->

Type: full-example

On this page: