如何用js实现屏蔽页面

来源:百度知道 编辑:UC知道 时间:2024/07/03 02:53:24
我想要实现像新浪邮箱发送邮件时的那个“邮件正在发送,请等待”,发送邮件时无法对页面进行操作,请问这个如何实现?

实现JS屏蔽页面的标签,这只是个例子,你可以参照下!
<HTML>
<HEAD>
<META http-equiv='Content-Type' content='text/html; charset=gb2312'>
<TITLE>
</TITLE>

<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function Del(Word) {
a = Word.indexOf("<");
b = Word.indexOf(">");
len = Word.length;
c = Word.substring(0, a);
if(b == -1)
b = a;
d = Word.substring((b + 1), len);
Word = c + d;
tagCheck = Word.indexOf("<");
if(tagCheck != -1)
Word = Del(Word);
return Word;
}
function Check() {
ToCheck = document.form.text.value;
Checked = Del(ToCheck);
document.form.text.value = Checked;
return false;
}
// End -->
</SCRIPT>

</HEAD>
<BODY >

<form action="" name=form onSubmit="return Check()">
<textarea