JSFiddle - React, Tailwind, and code Playground
HTML
<input type="button" id="my-button" value="Show text input">
<input type="text" id="my-input">
CSS
#my-input {
visibility: hidden;
}
JavaScript
document.getElementById('my-button').onclick = function() {
document.getElementById('my-input').style.visibility = 'visible';
}