This members-only tutorial provides the steps to set up a responsive before and after comparison slider using TwentyTwenty jQuery libary in Oxygen.
Step 1
Install and activate My Custom Functionality plugin.
Connect to your hosting account using a FTP client and navigate to site’s /wp-content/plugins/my-custom-functionality-master.
Upload jquery.event.move.js and jquery.twentytwenty.js to the plugin's assets/js directory.
Upload twentytwenty.css to the plugin's assets/css directory.
Edit plugin.php and add the following inside the custom_enqueue_files() function:
