var vv = document.all.txt1.value;if(vv!="") { ...... }判断代码在下面://验证是否为数字 function CheckStrIsNum(s) { var n=parseInt(s); return !(isNaN(n)); }
<script language="javascript"> function CheckLT(s) { var ipt=s; var filter=/^13[0-3]{1}[0-9]{8}$/; if (!filter.test(ipt)) return false; return true; } </script> <script language="javascript"> function CheckYD(s) { var ipt=s; var filter=/^13[5-9]{1}[0-9]{8}$/; if (!filter.test(ipt)) return false; return true; } </script>
130-134的号在楼上就行不通了,嘿嘿... var filter=/^13[0-9]{9}$/;
{
......
}判断代码在下面://验证是否为数字
function CheckStrIsNum(s)
{
var n=parseInt(s);
return !(isNaN(n));
}
function CheckLT(s) {
var ipt=s;
var filter=/^13[0-3]{1}[0-9]{8}$/;
if (!filter.test(ipt)) return false;
return true;
}
</script>
<script language="javascript">
function CheckYD(s) {
var ipt=s;
var filter=/^13[5-9]{1}[0-9]{8}$/;
if (!filter.test(ipt)) return false;
return true;
}
</script>
var filter=/^13[0-9]{9}$/;