JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" id="showButton" value="show" />
    <p id="x"> gergreg</p>
    <p id="x2"> sadeijnfciu </p>        
</body>

CSS

#x {
    display:none;
}

#x2 {
    visibility: hidden;
}

JavaScript

$('#showButton').click(function() {
                        $('#x2').css('visibility','visible');


                    });