菜鸟教程在线编辑器

 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
<script>
function accesskey(){
  document.getElementById('runoob').accessKey="r"
  document.getElementById('g').accessKey="g"
}
</script>
</head>
<body onload="accesskey()">
	
<a id="runoob" href="//www.runoob.com/">菜鸟教程</a><br>
<a id="g" href="//www.google.com/">Google</a>
<p><b>注：</b>使用Alt + <i> accesskey </i>访问具有指定访问键的元素。</p>

</body>
</html>
              