Bug 1874684 - Part 17: Fix uninitialised variable warnings from clang-tidy. r=allstarschh
[gecko.git] / layout / reftests / margin-collapsing / block-first-child-1b-dyn.html
blob4daf81404eb5ae96486fc00fb62d8582ed52baa5
1 <!DOCTYPE html>
2 <html class="reftest-wait">
3 <head>
4 <style type="text/css">
5 #separator, #first-child {
6 height: 20px;
7 background-color: green;
9 #parent {
10 margin-top: 20px;
12 #first-child {
13 display: none;
14 margin-top: 10px;
16 </style>
17 <script type="text/javascript">
18 function test() {
19 document.getElementById('first-child').style.display = 'block';
20 document.documentElement.removeAttribute('class');
22 document.addEventListener('MozReftestInvalidate', test);
23 </script>
24 </head>
25 <body>
26 <div id="separator"></div>
27 <div id="parent">
28 <div id="first-child"></div>
29 </div>
30 </body>
31 </html>