JSFiddle - React, Tailwind, and code Playground

HTML

<label class="checkbox">
    <input id="eu_want_team" name="eu_want_team" type="checkbox">
</label>
    <button>click me</button

JavaScript

$('button').click(function(){
    var eu_want_team = $('#eu_want_team').is(':checked');
alert(eu_want_team);

})