1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
2 <html>
3 <head>
4 <title>CSS Test: Margins on cleared blocks that contain floats, with dynamic border changes</title>
5 <link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch">
6 <link rel="alternate" href="http://www.hixie.ch/tests/adhoc/css/box/block/margin-collapse/066.html" type="text/html">
7 <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins">
8 <style type="text/css">
9 td { padding: 0; background: red; }
10 .border { width: 7em; /* border: solid; added by script at bottom of test */ }
11 .box { margin: 0; background: yellow; }
12 .float { margin: 0; width: 4em; height: 1.5em; background: aqua; float: right; }
13 .clear { margin: 2em 0 0 0; background: orange; clear: both; }
14 .control { border: solid; width: 7em; background: yellow; }
15 .control .a { margin: 0 0 0 auto; width: 4em; height: 1.5em; background: aqua; }
16 .control .b { height: 0.5em; }
17 .control .c { background: orange; }
18 </style>
19 </head>
20 <body>
21 <p>The following four boxes should be identical, with no red present.</p>
22 <table>
23 <tr>
24 <td>
25 <div class="outer">
26 <div id="test" class="box border">
27 <div class="float">TEST</div>
28 <div class="clear">TEST</div>
29 </div>
30 </div>
31 </td>
32 <td>
33 <div class="control">
34 <div class="a">TEST</div>
35 <div class="b"></div>
36 <div class="c">TEST</div>
37 </div>
38 </td>
39 </tr>
40 <tr>
41 <td>
42 <div class="control">
43 <div class="a">TEST</div>
44 <div class="b"></div>
45 <div class="c">TEST</div>
46 </div>
47 </td>
48 <td>
49 <div class="control">
50 <div class="a">TEST</div>
51 <div class="b"></div>
52 <div class="c">TEST</div>
53 </div>
54 </td>
55 </tr>
56 </table>
57 <script type="text/javascript">
58 var x = document.getElementById('test');
59 x.clientHeight; // force reflow
60 x.style.border = "solid"; // did reflow happen?
61 </script>
62
63 </body>
64 </html>