Javascript-显示特定日期的警报框
我想显示一个警报框,它只会在特定日期出现Javascript-显示特定日期的警报框,javascript,Javascript,我想显示一个警报框,它只会在特定日期出现 <script> alert('Registration Time is Over !!!'); </script> 警报(‘注册时间已过!!!’); 我该怎么做?使用超时 var currentDateMillis = new Date().getTime(); // Get time on millis var alarmDateMillis = new Date(year, month, day, hours, m
<script>
alert('Registration Time is Over !!!');
</script>
警报(‘注册时间已过!!!’);
我该怎么做?使用超时
var currentDateMillis = new Date().getTime(); // Get time on millis
var alarmDateMillis = new Date(year, month, day, hours, minutes, seconds, milliseconds).getTime();
if (alarmDateMillis > currentDateMillis)
setTimeout (alarm, alarmDateMillis - currentDate);
else // This is in case you want it to be shown even after the date
alarm();
function alarm () {
alert('Registration Time is Over !!!');
}
var alertdate=“12/18/2018”;
var alerttext=“注册时间结束!”;
var d=新日期();
var today=新日期();
var dd=today.getDate();
var mm=today.getMonth()+1;
var yyyy=today.getFullYear();
如果(ddif date==specific_date alert()
?您希望您的页面连续打开多天吗?如果没有,您只需检查当前日期new date()
,以等于“specific date”。
<script>
var alertdate = "12/18/2018";
var alerttext = "Registration time is over!";
var d = new Date();
var today = new Date();
var dd = today.getDate();
var mm = today.getMonth()+1;
var yyyy = today.getFullYear();
if(dd<10) {
dd = '0'+dd
}
if(mm<10) {
mm = '0'+mm
}
today = mm + '/' + dd + '/' + yyyy;
if(today == alertdate){
alert(alerttext)
}
</script>