<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
#blink {
display: inline;
}
</style>
<script type="text/javascript">
window.onload=function () {
var currentStyle = 'inline';
blinkSpan();
function blinkSpan(){
if(currentStyle=='inline'){
currentStyle='none';
}else{
currentStyle='inline';
}
document.getElementById('blink').style.display = currentStyle;
setTimeout("blinkSpan()",1000); //"blinkSpan()"这种写法不行，不知道为什么，只能写成blinkSpan
}
}
</script>
</head>
<body>
<span id="blink">__</span>
</body>
</html>
如红色的地方，为什么不行？新手求问呢！
