cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - ActiveLovehtmlicon-new-collectionicon-personicon-teamlog-outoctocatpop-outspinnerstartv

Pen Settings

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

Quick-add: + add another resource

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

Quick-add: + add another resource

Code Indentation

     

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

            
              <h3>2017年 もっともブレイクしたと思う芸人ベスト3投票</h3>
<p><input type="checkbox" name="geinin[]" value="ブルゾン">ブルゾンちえみ</p>
<p><input type="checkbox" name="geinin[]" value="サンシャイン">サンシャイン池崎</p>
<p><input type="checkbox" name="geinin[]" value="アキラ">アキラ100%</p>
<p><input type="checkbox" name="geinin[]" value="ゆりやん">ゆりやんレトリィバァ</p>
<p><input type="checkbox" name="geinin[]" value="ノラ">平野ノラ</p>
<p><input type="checkbox" name="geinin[]" value="銀シャリ">銀シャリ</p>
<p><input type="checkbox" name="geinin[]" value="ジョニ男">岩井ジョニ男</p>
<p><input type="checkbox" name="geinin[]" value="カミナリ">カミナリ
</p>
<p><input type="checkbox" name="geinin[]" value="尼神">尼神インター</p>
<p><input type="checkbox" name="geinin[]" value="タイムマシーン">タイムマシーン3号</p>
            
          
!
            
              $(function() {
 
  $('input[name="geinin[]"]').change(function() {
 
    // チェックが入った個数を変数に格納
    var topthree = $('input[name="geinin[]"]:checked').length;
 
    // チェックが3つ以上入ったら
    if (topthree >= 3) {
 
      // disabledを付ける
      $('input[name="geinin[]"]').not(':checked').attr('disabled', 'disabled');
 
    // チェックが3つ未満だったら
    } else {
 
      // disabledを削除
      $('input[name="geinin[]"]').not(':checked').removeAttr('disabled');
    }
 
  });
});
            
          
!
999px
Loading ..................

Console