改变html.,没有样式???为什么?
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>改变html样式文档</title>
<script type="text/javascript">
var mychar=document.getEelmentById("con");
mychar.style.color="red";
mychar.style.fontsize="36px";
mychar.style.width="300px";
mychar.style.backgroundcolor="#ccc";
</script>
</head>
<body>
<h2 id="con">I love javascript.</h2>
<p>javascript代表了网页的行为。</p>
</body>
</html>