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                <div class="container">

<!-- 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>
<!-- 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>
<!-- 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;">

<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;">




                // 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 () {

// ポップオーバーが表示されたら発動
$('#popover-hint').on('', 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;