JSFiddle - React, Tailwind, and code Playground

HTML

<div id="u" style="height:auto;zindex:999;display:none;border:3px solid red;width:300px;background-color:white;position:absolute;">
awaeqweqweqwe<br>awqeqweqw<br>aweqweqweq<br>a<br>a<br>a<br>a<br>a<br>a<br>a<br>a<br>a<br>a<br>a<br>a<br>a<br></div>
<div contenteditable="true" style="border:2px solid black;margin-top:30px;height:100px"></div>
<input type="buton" id="y" value="askjhdka">

JavaScript

$("#y").click(function(){
$("#u").css("display","block");



});