<head>
<meta http-equiv="Content-Type" content="text/htmlcharset=gb2312">
<meta name="keywords" content="js特效" />
<meta name="description" content="js特效网" />
<title>年月日分秒全部显示的时间代码</title>
</head>
<body onload=startclock()>
<form name="clock">
<script language="JavaScript">
var timerID = null
var timerRunning = false
function stopclock (){
if(timerRunning)
clearTimeout(timerID)
timerRunning = false}
function startclock () {
stopclock()
showtime()}
function showtime () {
var now = new Date()
var hours = now.getHours()
var minutes = now.getMinutes()
var seconds = now.getSeconds()
var timeValue = now.getYear()+"年"+(now.getMonth()+1)+"月"+now.getDate()+"日" +((hours >= 12) ? " 下午 " : " 上午 " )
timeValue += ((hours >12) ? hours -12 :hours)
timeValue += ((minutes <10) ? ":0" : ":") + minutes
timeValue += ((seconds <10) ? ":0" : ":") + seconds
document.clock.thetime.value = timeValue
timerID = setTimeout("showtime()",1000)
timerRunning = true}
</script>
<input name="thetime" style="font-size: 9ptcolor:#000000border:1px solid #FFFFFF" size="28"></form>
</body>
</html>
<!DOCTYPE html><html>
<head>
<script src="http://www.w3school.com.cn/jquery/jquery-1.11.1.min.js">
</script>
<script>
$(document).ready(function(){
$("p").click(function(){
var str = "今天是"+(new Date()).toLocaleString()+" 星期" + "日一二三四五六".charAt(new Date().getDay())
$(".time").html(str)
})
})
</script>
</head>
<body>
<p>点击我</p>
<div class="time"></div>
</body>
</html>
实现效果这样？：
今天是2018/6/12 下午1:33:05 星期二
你确定这是CSS？用这个setInterval()
var time=function(){你写的代码}
setInterval(time,1000)
