This unconventional code snippet isn't your typical javascript, html, or css. However, you can simply copy and paste it into a figma document and make use of the clipboard functionality. It's not meant for pasting directly onto a website, but there are various possibilities when working with the clipboard in JavaScript.
If you're curious, you can check out a tool like to see the content of the clipboard while copying. The data may seem a bit mysterious at first glance.
An interesting example is the WordPress block editor, which allows you to easily move blocks from one location to another by copying and pasting them. The data stored in the block/clipboard is essentially HTML, making it simple to manipulate. You can even utilize the onpaste event to pass JSON data back and forth between your site.
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