JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="t1" cols="50">123456789012345678901234567890123456789012345678901234567890</textarea>

<hr/>

<textarea id="t2" cols="50">123456789012345678901234567890123456789012345678901234567890</textarea>

CSS

#t1 {
    resize: none;
}

#t2 {
    resize: none;
    overflow-y: scroll;
}