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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

            
              <div class="sample">
  野球が好き。サッカーが好き。<br>
  犬が好き。猫が好き。<br>
  日本が好き。アメリカが好き。
</div>

            
          
!
            
              span.sport {
  border-bottom: 1px solid #ff0;
}
span.animal {
  border-bottom: 1px solid #f00;
}
span.country {
  border-bottom: 1px solid #555;
}
            
          
!
            
              (function($) {
  // キーワードをカテゴリー別に配列に格納
  var sport = ['野球', 'サッカー'];
  var animal = ['犬', '猫'];
  var country = ['日本', 'アメリカ'];
  // カテゴリーを配列に格納
  var keyword = [sport, animal, country];
  var i,j = 0;

  var $sample = $('.sample'); // 対象を指定
  var sourceStr = $sample.html(); // 対象のHTMLを抽出
  var targetStr = keyword; // キーワードを一度変数に格納
  var typeClass; // カテゴリーごとにクラスを振りたいので、変数を用意
  var regExp; // のちにキーワードを正規表現オブジェクトにするので変数を用意しておく

  // カテゴリーごとにループを回す
  for(i in targetStr){
    // キーワードによって付与するクラスを変える
    if (i == 0) {
      typeClass = ' class="sport"';
    }else if (i == 1) {
      typeClass = ' class="animal"';
    }else if (i == 2) {
      typeClass = ' class="country"';
    }

    // カテゴリーに含まれるキーワードごとにループを回す
    for(j in targetStr[i]) {
      regExp = new RegExp( targetStr[i][j], "g" ) ;
      // 置換したものを、一度変数sourceStrに格納
      sourceStr = sourceStr.replace( regExp , "<span" + typeClass + ">$&</span>" ) ;
    }
  }
  // ページの内容をsourceStrで置き換える
  $sample.html(sourceStr);
})(jQuery);
            
          
!
999px
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