mozilla-central/testing/web-platform/tests/css/CSS2/generated-content/counter-increment-002.xht

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<head>
<title>CSS Test: dynamic changes to 'counter-increment'</title>
<link rel="author" title="L. David Baron" href="https://dbaron.org/"/>
<meta name="flags" content="dom"/>
<meta http-equiv="Content-Style-Type" content="text/css"/>
<meta http-equiv="Content-Script-Type" content="text/javascript"/>
<style type="text/css">
body { white-space: nowrap; }
#test, .reset { counter-reset: c; }
.increment:before, .use:before { content: counters(c, ".") "-"; }
.increment { counter-increment: c; }
</style>
<script type="text/javascript">
function run() {
document.getElementById("one").removeAttribute("class");
document.getElementById("two").setAttribute("class", "increment");
document.getElementById("three").setAttribute("style", "counter-increment: c");
}
</script>
</head>
<body onload="setTimeout('run()', 0)">
<p>The following two lines should be the same:</p>
<div id="test"><span id="one" class="increment"></span><span><span class="reset"><span class="increment"></span><span id="two" class="increment"></span></span></span><span id="three" class="use"></span><span class="increment"></span></div>
<div id="reference">0.1-0.2-1-2-</div>
</body>
</html>