<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
    $('ul.nav li.dropdown').hover(function() {
      $(this).find('.dropdown-menu').stop(true, true).delay(200).fadeIn(200);
    }, function() {
      $(this).find('.dropdown-menu').stop(true, true).delay(200).fadeOut(200);
    });
   $('.navbar .dropdown > a').click(function(){
    location.href = this.href;
    });
});

</script>

<nav class="navbar navbar-default">
  <div class="container-fluid">
    <!-- Brand and toggle get grouped for better mobile display -->
    <div class="navbar-header">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
        <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
      <a class="navbar-brand" href="#">Brand</a>
    </div>

    <!-- Collect the nav links, forms, and other content for toggling -->
    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
      <ul class="nav navbar-nav">
        <li><a class="hvr-underline-from-center" href="#">Link 1</a></li>
        <li><a class="hvr-underline-from-center" href="#">Link 2</a></li>
        <li class="dropdown">
          <a class="hvr-underline-from-center" href="#" class="dropdown-toggle" data-toggle="dropdown" aria-expanded="false">Dropdown <span class="caret"></span></a>
          <ul class="dropdown-menu" role="menu">
            <li><a class="hvr-shutter-out-horizontal" href="#">Action</a></li>
            <li><a class="hvr-shutter-out-horizontal" href="#">Another action</a></li>
            <li><a class="hvr-shutter-out-horizontal" href="#">Something else here</a></li>
            <li class="divider"></li>
            <li><a class="hvr-shutter-out-horizontal" href="#">Separated link</a></li>
            <li class="divider"></li>
            <li><a class="hvr-shutter-out-horizontal" href="#">One more separated link</a></li>
          </ul>
        </li>
      </ul>
      <ul class="nav navbar-nav navbar-right">
        <li><a class="hvr-underline-from-center" href="#">Link 3</a></li>
        <li class="dropdown">
          <a class="hvr-underline-from-center" href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Dropdown <span class="caret"></span></a>
          <ul class="dropdown-menu" role="menu">
            <li><a class="hvr-shutter-out-horizontal" href="#">Action</a></li>
            <li><a class="hvr-shutter-out-horizontal" href="#">Another action</a></li>
            <li><a class="hvr-shutter-out-horizontal" href="#">Something else here</a></li>
            <li class="divider"></li>
            <li><a class="hvr-shutter-out-horizontal" href="#">Separated link</a></li>
          </ul>
        </li>
      </ul>
    </div><!-- /.navbar-collapse -->
  </div><!-- /.container-fluid -->
</nav>

$(document).ready(function(){
    $('ul.nav li.dropdown').hover(function() {
      $(this).find('.dropdown-menu').stop(true, true).delay(200).fadeIn(200);
    }, function() {
      $(this).find('.dropdown-menu').stop(true, true).delay(200).fadeOut(200);
    });
   $('.navbar .dropdown > a').click(function(){
    location.href = this.href;
    });
});

output = output.toFixed(8);

<script>
          var str = "A ABC B       BB   A        CDE     DE     ABC     CDE";
          var arr = str.split(/s /);

          var pos = 0;
          for ( var i = 0; i < arr.length; i      ){
                    pos = str.indexOf( arr[ i ], (  i >1? pos   arr[ i ].length 1 : pos) );
                    console.log(pos);
                    // ค่าที่ได้      [0,2,3,14,19,28,36,43,51]
                    // ค่าที่ถูกต้อง [0,2,6,14,19,28,36,43,51]
          }
</script>

$(document).ready(function () {
                $('a').on("click", function (e) {
                    e.preventDefault();
                    $('#showpage').load($(this).attr('href'));
                });
            });