How to do it...

We will use CodePen to execute the JavaScript SDK code for Cognito operations, following these steps:

  1. Open CodePen and add locations to the required files.
  2. Go to https://codepen.io/.
  3. Click the Create tab and then select the Pen option.
  4. In the new window, click the Settings menu, select the Behaviour tab, and uncheck the Enabled option under Auto-Updating Preview.
  5. In the Settings menu, select the JavaScript tab and do the following:
    1. Search for aws sdk and select the appropriate SDK:

CodePen will populate the SDK URL (as we will see in the next screenshot).

  1. Add the URL of our amazon-cognito-identity.min.js file (for example, ...

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