JSFiddle - React, Tailwind, and code Playground

HTML

<button class="niceCheck">Click</button>
<input class="button" type="button" value="hey">

JavaScript

$('.niceCheck').click(function() {
    if($('input.button').attr('disabled') == 'disabled') {
        $('input.button').removeAttr('disabled');
    }
    else {
        $('input.button').attr('disabled', 'disabled');
    }
});