JSFiddle - React, Tailwind, and code Playground

HTML

<div contenteditable="true" style="width:400px;height:100px;">
    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec gravida est ut interdum sodales. Etiam vel metus purus. In eleifend accumsan lectus id venenatis. Phasellus eleifend a tellus eu sollicitudin. Integer lacinia, ipsum at lacinia varius, mauris risus accumsan eros, nec mattis enim quam sed augue.
</div>

JavaScript

$(document).ready(function() {
    
    document.execCommand("insertBrOnReturn", false, true);
    
});