K2 onclick添加评级5 onclick

As the title say i want to make an extra field with an onclick function that adds 5 stars of rating in K2

Like this:

<a class="add-rating">Click me</button>

<script>
  var add = ('.add-rating');

  add.click(function() {
  +1 vote in the rating ;
  });
</script>

something like that i have no idea how to do this i have been trying to make it work for a couple of weeks now and i will be very greatful if you guys could hep me !

Try this extension with K2

extensions.joomla.org/extensions/extension-specific/k2-extensions/19253