JSFiddle - React, Tailwind, and code Playground
by chetfarley
HTML
<div>
<input type="radio" name="check" id="one"><label for="one">On</label>
<input type="radio" name="check" id="two"><label for="two">Off</label>
</div>
<div>
<input type="radio" name="check" id="thr"><label for="thr">On</label>
<input type="radio" name="check" id="fou"><label for="fou">Off</label>
</div>
CSS
.checked {font-weight: bold;}
JavaScript
$("input[type='radio']").click(function() {
$("in)
$(this).next("label").toggleClass("checked", this.checked);
});