1.hh:mm:ss.ms
var s = 0,m = 0,h = 0, ms=0;
function setTime() {
var d = new Date();
var year = d.getFullYear();
var month = d.getMonth() + 1;
var date = d.getDate();
var str = year + "/" + month + "/" + date + " 23:59:59";
var resStr = (new Date(str).getTime())/1000; // 當天23:59:59秒時間戳
var curStr = (Date.parse(new Date()))/1000; // 當前時間戳
var diff = resStr - curStr; // 秒
var docTime = document.getElementById("time");
if(diff>=0) {
ms = ms+1;
if(ms > 9) { ms = 0; }
diff = diff-1;
h = Math.floor((diff/3600)%24);
m = Math.floor((diff/60)%60);
s = Math.floor((diff%60));
docTime.innerText = h+" 時 "+m+" 分 "+s+"."+ms+"秒後失效";
} else {
clearInterval(timer);
docTime.innerText = "紅包已失效";
return;
}
}
var timer = setInterval(setTime, 100);
setTime();
2.60秒倒計時
let countdown = 60;
function setTime(obj) {
if(countdown==0) {
$(obj).removeClass("setting-email-send");
obj.removeAttribute("disabled");
obj.value = "發送驗證碼";
return;
} else {
$(obj).addClass("setting-email-send");
obj.setAttribute("disabled", true);
obj.value = "重新發送("+ countdown +"s)";
countdown--;
}
setTimeout(function() {
setTime(obj)
}, 1000);
};