3 <script type=
"text/javascript" src=
"../MochiKit/MochiKit.js"></script>
4 <script type=
"text/javascript" src=
"SimpleTest/SimpleTest.js"></script>
5 <link rel=
"stylesheet" type=
"text/css" href=
"SimpleTest/test.css">
10 <script type=
"text/javascript">
11 is( isUndefined(null), false,
"null is not undefined" );
12 is( isUndefined(
""), false,
"empty string is not undefined" );
13 is( isUndefined(undefined), true,
"undefined is undefined" );
14 is( isUndefined({}.foo), true,
"missing property is undefined" );