1.
假設有三個text field叫yy, mm, dd分別為客戶輸入的年月日
function comparedate(){
with(document.all){
var inputdate=new Date(yy.value,mm.value-1,dd.value);
var today=new Date();
var one_day=1000*60*60*24;
var greater3days="Record must input within 3 days";
var todaylessinput="Cannot input future date";
//inputdate比today少三天
if (today.getTime()-inputdate.getTime()>3*one_day)
return greater3days;
//today比inputdate少
else if(today.getTime()-inputdate.getTime()<0)
return todaylessinput;
else
return true;
}
}
判断复选框:
<HEAD>
<SCRIPT>
function checkthis()
{
if (oCheckbox.checked == true)
{
alert("now off to CSDN!");
window.open("http://www.csdn.net");
}
}
</SCRIPT>
</HEAD>
<BODY>
Check here if you wish to go to Microsoft:
<INPUT ID=oCheckbox TYPE=checkbox onclick=checkthis()>
</BODY>