# API Usage — CKEditor Sample
Try the latest sample of CKEditor 4 and learn more about customizing your WYSIWYG editor with endless possibilities.

# CKEditor Samples » Using CKEditor JavaScript API

This sample is not maintained anymore. Check out its brand new version in CKEditor Examples.

This sample shows how to use the CKEditor JavaScript API to interact with the editor at runtime.

For details on how to create this setup check the source code of this sample page.

<p>This is some <strong>sample text</strong>. You are using <a href="https://ckeditor.com/">CKEditor</a>.</p>

<h2>Test</h2><p>This is some <a href="/Test1.html">sample</a> HTML code.</p>
First line with some leading whitespaces. Second line of text preceded by two line breaks.