function check(){
var temp = "0123456789abcdefghijklmnopqrstuvwxyz";
var checkUsername = form1.username.value;
var allValid = true;
var invaild="";
for (i = 0; i < checkUsername.length; i++)
{
ch = checkUsername.charAt(i);
for (j = 0; j < temp.length; j++)
if (ch == temp.charAt(j)) break;
if (j == temp.length)
{
allValid = false;
invalid=ch;
break;
}
}
if (!allValid)
{
alert("你输入的用户名是非法的!");
form1.username.focus();
return (false);
}
</SCRIPT>我用来判断输入是否合法的,你自己看看吧,可能有帮助!
var temp = "0123456789abcdefghijklmnopqrstuvwxyz";
var checkUsername = form1.username.value;
var allValid = true;
var invaild="";
for (i = 0; i < checkUsername.length; i++)
{
ch = checkUsername.charAt(i);
for (j = 0; j < temp.length; j++)
if (ch == temp.charAt(j)) break;
if (j == temp.length)
{
allValid = false;
invalid=ch;
break;
}
}
if (!allValid)
{
alert("你输入的用户名是非法的!");
form1.username.focus();
return (false);
}
</SCRIPT>我用来判断输入是否合法的,你自己看看吧,可能有帮助!
我怎么把我的分给你呢?