Pen Settings



CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

+ add another resource


Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource


Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.


Auto Save

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.


                <!-- In Oxygen, select the text box directly and add a class called counter -->
<!-- Next, add a code block just under the body of the page where you're adding the counter -->
<!-- Next, in the HTML section of the code, copy lines 10-30 -->
<!-- Next, save and see if it is working on the front end.  If not, inspect. -->
<!-- Next, change line 14 to say only <script src="jquery.counterup.min.js"></script> -->
<!-- Finally, download the jquery.counterup.min.js file from
     and upload the jquery.counterup.min.js file to your site host files where your site is installed -->

<!-- This is the jQuery version we'll be using for compatibility reasons -->
<script src=""></script>

<!-- Waypoints is required by this jQuery plugin to work, so we refer to it here -->
<script src="//"></script>

<!-- This is a temporary hotlink to test it out before uploading the js file to WordPress host-->
<script src=""></script>

<!-- This is the script itself that will affect any numbers tagged with CSS class "counter" -->
    jQuery(document).ready(function($) {
            delay: 10,
            time: 1000        

<!-- Just put these here to test them out below.  You don't need to copy this -->
<span class="counter">123</span></br>
<span class="counter">1234</span></br>
<span class="counter">12345</span>