gistfile1.js

$(document).ready(function () {
  $("a.remove").click(function() {
    $.post(this.href, {_method: "delete"});
    $(this).parent().remove();
    return false;
  });
});

gistfile2.js

$(document).ready(function () {
  $("a.remove").click(function() {
    $.post(this.href, {
      _method: "delete",
      beforeSend: function(){
        $(this).parent.remove();
      }
    });
    // $(this).parent().remove();
    return false;
  });
});

gistfile3.js

$(document).ready(function () {
  $("a.remove").click(function() {
    var toto = this;
    $.post(this.href, {
      _method: "delete",
      beforeSend: function(){
        $(toto).parent.remove();
      }
    });
    // $(this).parent().remove();
    return false;
  });
});

gistfile4.js

$(document).ready(function () {
  $("a.remove").click(function() {
    var self = this;
    $.post(this.href, {
      _method: "delete",
      beforeSend: function(){
        $(self).parent().css({"opacity": 0.5});
      },
      success: function(){
        $(self).parent().remove();
      }
    });
    return false;
  });
});