JSFiddle - React, Tailwind, and code Playground
HTML
<div id="newpost">
Test text
</div>
<button>Click</button>
JavaScript
$("button").click(function() {
$("#newpost").toggle();
});
<div id="newpost">
Test text
</div>
<button>Click</button>
$("button").click(function() {
$("#newpost").toggle();
});