How to pass button text to button click event

<button class="btn btn-success user" data-bind="attr: { 'data-cid': ConnectionId, 'title': Username }">Video Call</button>

<button class="btn btn-success user" data-bind="attr: { 'data-cid': ConnectionId, 'title': Username }">Audio Call</button>

$('.user').live('click', function () {
             //Here i required button click text
              // Find the target user's SignalR client id
              var targetConnectionId = $(this).attr('data-cid');