Javascript

1. var debug1 = new Debug('#code1-dump');
2.  
3. $('#code1-execute').on('click', function(e){
4.     var data = [
5.         true,
6.         false,
7.         0,
8.         1,
9.         "true",
10.         "false",
11.         [],
12.         {},
13.         'NULL',
14.         null,
15.         undefined
16.     ];
17.  
18.     _(data).each(function (v, i, list) {
19.         debug1.dump(_.isNull(v));
20.     });
21.  
22. });
23.  
24. $('#code1-console-clear').on('click', function(e){
25.     debug1.clear();
26. });

HTML

1. <span class="cq-btn m-success" id="code1-execute">実行</span>
2. <span class="cq-btn m-danger" id="code1-console-clear">削除</span>
3. <div id="code1-dump" class="result-window"></div>