JSFiddle - React, Tailwind, and code Playground

HTML

<textarea rows='5'>
sdfasjfalsfjasf;klasdfklaksdfkjlasdfkjlasdjkfadls;fjklasdfjklasdkjlfaskljdfkalsjdfjlkasdfkjlasdkjlfasfkl;ajklsdfjklasdfkjlaskjldfaskjlfkljsadkjlfaskjldfkjlasdfkjlasdjklfaskljdfkjlasfkjlasdkjlfasjklfajklsdfjklasdfjlkadjsdfasjfalsfjasf;klasdfklaksdfkjlasdfkjlasdjkfadls;fjklasdfjklasdkjlfaskljdfkalsjdfjlkasdfkjlasdkjlfasfkl;ajklsdfjklasdfkjlaskjldfaskjlfkljsadkjlfaskjldfkjlasdfkjlasdjklfaskljdfkjlasfkjlasdkjlfasjklfajklsdfjklasdfjlkadjsdfasjfalsfjasf;klasdfklaksdfkjlasdfkjlasdjkfadls;fjklasdfjklasdkjlfaskljdfkalsjdfjlkasdfkjlasdkjlfasfkl;ajklsdfjklasdfkjlaskjldfaskjlfkljsadkjlfaskjldfkjlasdfkjlasdjklfaskljdfkjlasfkjlasdkjlfasjklfajklsdfjklasdfjlkadjsdfasjfalsfjasf;klasdfklaksdfkjlasdfkjlasdjkfadls;fjklasdfjklasdkjlfaskljdfkalsjdfjlkasdfkjlasdkjlfasfkl;ajklsdfjklasdfkjlaskjldfaskjlfkljsadkjlfaskjldfkjlasdfkjlasdjklfaskljdfkjlasfkjlasdkjlfasjklfajklsdfjklasdfjlkadj
</textarea>

<br />
<button id='scroll-to-cursor'>Scroll to Cursor</button>

JavaScript

$('#scroll-to-cursor').on('click', function() {
    // ?
});

/*
    To test:
    1) Click somewhere in the textarea to place cursor
    2) Scroll away so cursor isn't visible
    3) Click "Scroll to Cursor" button
*/