倒計時小demo
阿新 • • 發佈:2019-02-02
window.addEventListener('load', function() {
countTime();
})
function countTime() {
var date = new Date();
var now = date.getTime();
var str = "2017/7/8 00:00:00"; //特別的日子
var endDate = new Date(str);
var end = endDate.getTime();
var leftTime = now - end;
var d, h, m, s;
if(leftTime >= 0) {
d = Math.floor(leftTime / 1000 / 60 / 60 / 24);
h = Math.floor(leftTime / 1000 / 60 / 60 % 24);
m = Math.floor(leftTime / 1000 / 60 % 60);
s = Math.floor(leftTime / 1000 % 60);
}
document.getElementById("_d").innerHTML = d + "天" ;
document.getElementById("_h").innerHTML = h + "時";
document.getElementById("_m").innerHTML = m + "分";
document.getElementById("_s").innerHTML = s + "秒";
//遞迴每秒呼叫countTime方法,顯示動態時間效果
setTimeout(countTime, 1000);
}