html 辅助功能选项卡键keydown

Posted 2021-05-11

// allow tab key functionality on selector
$('.selector').on('keydown', function(e){
  var keyPressed = e.keyCode;
  if(keyPressed === 9){
    $('.selector').removeClass('active');
    $(this).addClass('active');
  }
});

<div class="selector" tabindex="0">