<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>共可輸入160字</title>
<script language="JavaScript">
<!-- Begin
function textCounter(field, countfield, maxlimit) {
if (field.value.length > maxlimit)
field.value = field.value.substring(0,maxlimit);
else
countfield.value = maxlimit - field.value.length;
}
// End -->
</script>
</head>
<body>
<form method="POST" name=limit>
<textarea cols="45" name="memo" rows="8" wrap="on" onKeyDown="textCounter(this.form.memo,this.form.remLen,160);" onKeyUp="textCounter(this.form.memo,this.form.remLen,160);"></textarea>
<br>共可輸入160字，還剩<input readonly type=text name=remLen size=3 maxlength=3 value="160">字。<br>
<input type=submit value=" 發送 " name="submit"> <input type=reset value=" 重填 " name="reset">
</form>
</body>
</html>
轉自：http://hi.baidu.com/liyuehui1987/blog/item/21386acbdf1d831abf09e630.html
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
