<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<HTML>
<HEAD>
<TITLE></TITLE>
<script>
function init(allowedLength){
var content = document.getElementById("div1").innerHTML;
var flag = false;
while(content.replace(/[\x00-\xff]/g,"xx").length > allowedLength){
content = content.substring(0,content.length - 1);
flag = true;
}
if(flag){
content += "...";
}
document.getElementById("div1").innerHTML = content;
}
</script>
</HEAD> <BODY onload="init(20)">
<div id="div1">很长很长很长很长很长很长很长很长很长很长很长很长很长很长很长很长很长很长</div>
</BODY>
</HTML>
应该是 /[^\x00-\xff]/g ,少了一个 ^
<HEAD>
<TITLE></TITLE>
</HEAD>
<BODY>
<div id="div1" style="width:150px;height:50px;border:1 solid red;overflow:hidden;text-overflow:ellipsis">
<nobr>很长很长很长很长很长很长很长很长很长很长很长很长很长很长很长很长很长很很长很长很长很长很长很长很长很长很长很长很长很长很长很长</nobr>
</div>
</BODY>
</HTML>