gecko-dev/rdf/resources/dom-test-7.xul

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<?xml version="1.0"?> <!-- -*- Mode: SGML; indent-tabs-mode: nil c-basic-offset: 2 -*- -->
<!--
The test exercises creation and removal of HTML elements.
-->
<?xml-stylesheet type="text/css" href="resource:/res/samples/xul.css"?>
<window xmlns:html="http://www.w3.org/1999/xhtml"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<html:script>
var open = false;
function toggleOpenClose()
{
var container = document.getElementById('container');
if (open) {
// close
dump("\n\n\n\nCLOSING\n\n");
container.removeChild(container.firstChild);
}
else {
// open
dump("\n\n\n\nOPENING\n\n");
var frame = document.createElement('box');
frame.setAttribute('align', 'vertical');
frame.setAttribute('style', 'width: 50px; height: 50px; background: red;');
container.insertBefore(frame, container.firstChild);
}
open = !open;
}
</html:script>
<html:button onclick="toggleOpenClose();" flex="100%">Add/Remove Red Element At 0</html:button>
The order should stay 'blue, green, yellow'.
<hbox id="container" style="height: 100%; width: 100%;" flex="100%">
<vbox style="width: 50px; height: 50px; background: blue;" />
<vbox style="width: 50px; height: 50px; background: green;" />
<vbox style="width: 50px; height: 50px; background: yellow;" />
</hbox>
</window>