JSFiddle - React, Tailwind, and code Playground
HTML
<div id="content" contenteditable="true">
fkdjfjdf
fdfldfkl
</div>
<button type="button" id="gettext">Get Text</button>
<br/>
<textarea id="result" rows="10" ></textarea>
JavaScript
$("#gettext").click(function(){
var html = $("#content").html().replace(/<(br|p|div)[^>]*>/g, "\n").replace(/<\/?\w+[^>]*>/g, "");
console.log(html);
alert(html);
$("#result").val(html);
});