ajaxSuccess

$( ".trigger" ).on( "click", function() {
  $( ".result" ).load( "ajax/test.html" );
});
$( document ).ajaxSuccess(function( event, xhr, settings ) {
  if ( settings.url == "ajax/test.html" ) {
    $( ".log" ).text( "Triggered ajaxSuccess handler. The Ajax response was: " +
      xhr.responseText );
  }
});