A fixed block of content in the article — is there a plugin for WP?

Hi all, can anyone tell me if there is a plugin called WP to content block, which is fixed on the page and by clicking on the heading "moved" to the correct title of the article?

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April 19th 20 at 12:22
1 answer
April 19th 20 at 12:24
The idea is you can take any of the EAP plug-and-forth style.
Search for plugins Table Of Contents
And then add CSS
position fixed, etc.

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