用javascript实现自定义标签

//by zdzhuo

<html>
<head>
<script type="text/javascript">
var d = document;
var mk = new Array（
"<red>","<span style="color:red;">",
"</red>","</span>",
"<big>","<span style="font-size:22pt;">",
"</big>","</span>",
"<zhuo>","<span style="font-style:oblique;">",
"</zhuo>","</span>",
"<next>","<br><br>"
）;
function mark（） {
var t = new String（d.body.innerHTML）;
for（i=0;i<mk.length;i+=2） t = t.replace（new RegExp（mk[i], "gi"）,mk[i+1]）;
d.body.innerHTML = t;
}
</script>
</head>
<body onload="mark（）;">
<red>zdzhuo</red>
<next>
<big>zdzhuo</big>
<next>
<zhuo>zdzhuo</zhuo>
</html>