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HTML

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HTML

              
                <div class="container">

<h3>ポップオーバーの作り方</h3>
<br>
<!-- ボタンでポップオーバー -->
<button type="button" class="btn btn-default" data-toggle="popover" title="タイトル" data-content="コンテンツ">Click to toggle popover</button>
<br>
<!-- テキストでポップオーバー -->
<a href="#" data-toggle="popover" title="タイトル" data-content="コンテンツ">ポップオーバーを開く</a>
<br>
<!-- アイコンにポップオーバー -->
<span class="glyphicon glyphicon-question-sign" data-toggle="popover" title="タイトル" data-content="コンテンツ"></span>

<hr style="margin: 40px 0;">

<h3>ポップオーバーでテキスト書き換え</h3>
<br>
<button type="button" id="popover-hint" class="btn btn-default" data-toggle="popover" data-content="ヒントの中身">ヒント</button>
<p><span class="tensuu">100</span>点</p>

<hr style="margin: 40px 0;">
</div>
              
            
!

CSS

              
                
              
            
!

JS

              
                // ポップオーバーを機能させるには自分でjavascript書く必要あり
$(function () {
  $('[data-toggle="popover"]').popover()
});

// ポップオーバーが表示されたら発動
$('#popover-hint').on('shown.bs.popover', function () {
  // ポップオーバー(ヒント)が表示されたら点数が減る
  var currentPoint = $('.tensuu').text();
  var newPoint = currentPoint - 10;
  $('.tensuu').text(newPoint);
});
              
            
!
999px

Console