[英]Javascript how to start script on exact time
setInterval(function () {alert("Hello")}, 1000);
你能幫我解決這個問題嗎?
無法在 javascript 中定義日期驅動的觸發器。
相反,您可以從一開始就注冊您的函數,並在那里檢查是否到達了開始日期。
<html>
<head>
<script type="text/javascript">
var startDate = new Date("2015-06-14 12:47");
window.setInterval(checkDate, 1000);
function checkDate()
{
if (new Date() > startDate)
myDate.value = new Date().toLocaleString(); //or do your alert ;)
}
</script>
</head>
<body>
<input type="text" id="myDate" style="width: 200px" />
</body>
</html>
我相信我在這個JSFiddle 中設置了正確的時間
var d = new Date(); var year = d.getFullYear(); // Month 0 = January | Month 11 = December | so I changed vallues by +one var month = d.getMonth() + 1; var day = d.getDate(); var hour = d.getHours(); var minute = d.getMinutes(); var second = d.getSeconds(); var overall = year.toString() + month.toString() + day.toString() + hour.toString() + minute.toString() + second.toString(); alert(overall); var checkDate = function () { if(overall==="20156150000") { setInterval(function(){ alert("Hello"); }, 1000); }; }; window.setInterval(checkDate(), 1000);
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