JSFiddle - React, Tailwind, and code Playground

HTML

<div>
  <span> <input type="radio" name="group1" value="Milk">  Milk </span> </br>
  <span> <input type="radio" name="group1" value="Butter"> Butter </span> </br>
  <span> <input type="radio" name="group1" value="Cheese"> Cheese </span> </br>
  <hr>
</div>

CSS

.line{
        text-decoration: line-through;
         }

JavaScript

$("input[type='radio']").change(function(){
   if(this.checked) {
      $('span.line').removeClass('line');
      $(this).parent().addClass('line');
   }
});