Example code for ajax calls for Hacker News

application.js

$(document).ready(function() {
  $(document).on('click', '.voted', function(e){
    e.preventDefault();
  })
  $(document).on('click', '.vote-button', function (e){
    e.preventDefault();
    // console.log($this)
    var $link = $(this);
    var url = $link.attr('href');
    $.ajax ({
      type : "GET",
      url : url,
      success : function (data){
        console.log("success data", data);
        var post_data = JSON.parse(data);
        console.log(post_data)
        var $points = $link.parent().find('.points');
        // console.log($points)
        var newPoints = post_data.count;
        $points.text(newPoints);

        // id - find vote-button and turn off??
        $link.addClass('voted').css({
          'color' : 'red',
          'text-decoration' : 'none'
        });
        $link.removeClass('vote-button');
      },
      error : function (error){
        console.log("Error: ", error);
      }
    });
  });

  $(document).on('click', '.delete', function(e){
    e.preventDefault();
    var $link = $(this);
    var url = $link.attr('href');
    $.ajax({
      type: "DELETE",
      url: url,
      success: function(data){
        var post_data = JSON.parse(data);
        var id = post_data.id;
        $('#' + id).remove();
      },
      error : function (error){
        console.log("Error: ", error);
      }
    });
  });
});