<!DOCTYPE html>
<html>
<head>
<title>获取时间</title>
<script type="text/javascript">
window.onload = function(){
showTime();
}
function showTime(){
var myDate = new Date();
var year = myDate.getFullYear();
var month = myDate.getMonth() + 1;
var date = myDate.getDate();
var dateArr = ["日","一",‘二‘,‘三‘,‘四‘,‘五‘,‘六‘];
var day = myDate.getDay();
var hours = myDate.getHours();
var minutes = formatTime(myDate.getMinutes());
var seconds = formatTime(myDate.getSeconds());
var systemTime = document.getElementById("time");
systemTime.innerHTML = " " + year + "年" + month +"月" + date + "日" + " 星期" + dateArr[day] + " " + hours + ":" + minutes + ":" + seconds;
setTimeout("showTime()",500);
}
//格式化时间：分秒。
function formatTime (i){
if(i < 10){
i = "0" + i;
}
return i;
}
</script>
</head>
<body>
<div id =‘time‘></div>
</body>
</html>
取自https://www.jb51.net/article/75103.htm
<!DOCTYPE html><html><head> <title>获取时间</title> <script type="text/javascript"> window.onload = function(){ showTime(); } function showTime(){ var myDate = new Date(); var year = myDate.getFullYear(); var month = myDate.getMonth() + 1; var date = myDate.getDate(); var dateArr = ["日","一",‘二‘,‘三‘,‘四‘,‘五‘,‘六‘]; var day = myDate.getDay(); var hours = myDate.getHours(); var minutes = formatTime(myDate.getMinutes()); var seconds = formatTime(myDate.getSeconds()); var systemTime = document.getElementById("time"); systemTime.innerHTML = " " + year + "年" + month +"月" + date + "日" + " 星期" + dateArr[day] + " " + hours + ":" + minutes + ":" + seconds; setTimeout("showTime()",500); } //格式化时间：分秒。 function formatTime (i){ if(i < 10){ i = "0" + i; } return i; } </script></head><body> <div id =‘time‘></div></body></html>原文：https://www.cnblogs.com/zlj843767688/p/11978082.html