4 body { -webkit-margin-collapse: separate; }
6 .flowA { -webkit-flow-into: flowA; }
7 .flowB { -webkit-flow-into: flowB; }
8 .flowC { -webkit-flow-into: flowC; }
10 .regionFlowA { -webkit-flow-from: flowA; }
11 .regionFlowB { -webkit-flow-from: flowB; }
12 .regionFlowC { -webkit-flow-from: flowC; }
14 .regionFlowA, .regionFlowB, .regionFlowC { width: 0px; height: 0px; }
18 <div class="regionFlowB"></div>
22 <div class="regionFlowC"></div>
26 <!-- The following region will initially be invalid. Removing regionFlowC should make it valid again. -->
27 <div class="regionFlowA"></div>
30 <!-- Force the creation of the flows. In the future we might avoid creating flows if there are no reachable regions. -->
31 <div class="regionFlowA"></div>
34 document.body.offsetTop; // force layout
35 var el = document.getElementsByClassName("regionFlowC")[0];
36 el.parentNode.removeChild(el);