HTML-Kodu:
<html>
<head>
<style>
a{ display:none; }
</style>
<script>
function test()
{
node = document.createElement('style');
node.type = "text/css";
node.innerHTML = "a{ display: block; }";
document.body.appendChild(node);
}
window.onload = test;
</script>
</head>
<body>
<a href="">aa</a>
</body>
</html>