JSFiddle - React, Tailwind, and code Playground

HTML

<div id="star_rating"><a href="#">Test</a></div>

JavaScript

function test () {
  this.rating = 0;
  var oldThis = this;
  $('#star_rating a').click(function() {
    alert(oldThis.rating);
      return false; // <== so page doesn't refresh
  });
}

var foo = new test();