JSFiddle - React, Tailwind, and code Playground

HTML

<div id="tb1"></div>
<p>Bad Text Box</p>
<textarea><script>alert('hello')</script></textarea>
<button id="btn1">Submit</button>
<hr />
<div id="tb2"></div>
<p>Good Text Box</p>
<textarea><script>alert('hello')</script></textarea>
<button id="btn2">Submit</button>

CSS

div {
    border: 1px solid black;
}

JavaScript

$(function () {
    $("button").click(function () {

        var text = $(this).prev("textarea").val();

        if ($(this).is("#btn1")) {
            $("#tb1").html(text);
        } else {
            $("#tb2").text(text);
        }

    });
});