JSFiddle - React, Tailwind, and code Playground
HTML
<input type="checkbox" name="one" class="checkbox1"> .checkbox1<br>
<input type="checkbox" name="one" class="checkbox2"> .checkbox2<br>
<p></p>
JavaScript
$(".checkbox1").change(function() {
$("p").html(".checkbox1: <b>" + $(this).prop('checked') + "sd</b><br>")
});