Andrew

.btn{
      border: 2px solid #fff;
      transition: all .2s linear;
      opacity: 1;
    }
    .btn:hover{
      opacity: .8;
    }

var masiive = [];
  masiive.push($('<li>',{"data-context-key": ''}));
  console.log(masiive);

$.ajax({
        url: 'some_action.php',
        type: 'get',
        data: {action: window.location.hash},
      })
      .done(function() {
        console.log("success");
      })
      .fail(function() {
        console.log("error");
      })
      .always(function() {
        console.log("complete");
      });