JSFiddle - React, Tailwind, and code Playground

HTML

<button>Click Me!</button>
<div id="something">This is hidden until the button is clicked</div>
<div>Clicking here should remove it</div>

CSS

#something {
    display: none;
}

JavaScript

$("button").on('mouseup', function (event1) {
    $("#something").show();

    setTimeout(function () {
        $(document).one('mouseup', function (event2) {
            $("#something").hide();
        });
    }, 0);

});