How to implement the creation / duplication / deletion of text blocks for the frontend without plug-ins through the admin panel?

How to create an unlimited number of text blocks, duplicate and delete them, so that everyone can write their own text, and not duplicate. I know that page builder for WordPress can do this, but it’s very difficult to isolate this particular moment in them.
I would be grateful for any links and tips.

P.S. Perhaps some kind of plugin can be installed that will help with this, but not these cumbersome page builders.

Advanced Web Care Professional Web Development

1. Add a metabox with the text field https://developer.wordpress.org/plugins/metadata/custom-meta-boxes/
2. do the name of the field field_name [] so that the value is saved to the array
3. Add a button to add another field, and assign the cloning of an existing field to https://api.jquery.com/clone/, if the existing field contains content, clear the cloned object https://api.jquery.com/filter/, https://api.jquery.com/val/, add a new field below the current one https://api.jquery.com/append/, https://api.jquery.com/insertAfter/

On the Home page, you will receive as post_meta https://developer.wordpress.org/reference/functions/get_post_meta/ the value of each text field will be as an element of the array

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