AWS Code Sample


invokeLambda.html demonstrates invoking a Lambda function code

<!-- * Copyright 2010-2019, 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 * * * * 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. * --> <!-- ABOUT THIS BROWSER SAMPLE: This sample is part of the SDK for JavaScript Developer Guide topic at --> <!doctype html> <html> <head> <meta charset="UTF-8"> <title>Emoji Slots</title> <link href="emojislots.css" rel="stylesheet" type="text/css"> <script src=""></script> <script src=""></script> <script type="text/javascript"> // Configure AWS SDK for JavaScript AWS.config.update({region: 'REGION'}); AWS.config.credentials = new AWS.CognitoIdentityCredentials({IdentityPoolId: 'IDENTITY_POOL_ID'}); var pullReturned = null; var slotResults; var isSpinning = false; // Prepare to call Lambda function var lambda = new AWS.Lambda({region: 'REGION', apiVersion: '2015-03-31'}); var pullParams = { FunctionName : 'slotPull', InvocationType : 'RequestResponse', LogType : 'None' }; function pullHandle() { if (isSpinning == false) { // Show the handle pulled down slot_handle.src = "lever-dn.png"; } } function initiatePull() { // Show the handle flipping back up slot_handle.src = "lever-up.png"; // Set all three wheels "spinning" slot_L.src = "slotpullanimation.gif"; slot_M.src = "slotpullanimation.gif"; slot_R.src = "slotpullanimation.gif"; // Set app status to spinning isSpinning = true; // Call the Lambda function to collect the spin results lambda.invoke(pullParams, function(err, data) { if (err) { prompt(err); } else { pullResults = JSON.parse(data.Payload); displayPull(); } }); } function displayPull() { isSpinning = false; if (pullResults.isWinner) { winner_light.visibility = visible; } $("#slot_L").delay(4000).attr("src", pullResults.leftWheelImage.file.S); $("#slot_M").delay(6500).attr("src", pullResults.midWheelImage.file.S); $("#slot_R").delay(9000).attr("src", pullResults.rightWheelImage.file.S); } </script> </head> <body> <div id="appframe"> <img id="slot_L" src="puppy.png" height="199" width="80" alt="slot wheel 1"/> <img id="slot_M" src="puppy.png" height="199" width="80" alt="slot wheel 2"/> <img id="slot_R" src="puppy.png" height="199" width="80" alt="slot wheel 3"/> <img id="winner_light" src="winner.png" height="48" width="247" alt="winner indicator"/> </div> </body> </html>

Sample Details

Service: lambda

Last tested:

Author: AWS_JSDG

Type: full-example

On this page: