<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>window自带属性</title>
</head>
<body>
<button id='btn1' onclick='window.close()'>关闭窗口</button>
<h1>时间*<span id='mytime'></span></h1>
<script type='text/javascript'>
/* window系统自带的时间间隔 setTimeout只是调用一次 setInterval循环调用*/
window.setTimeout('fn1()',3000);
window.setInterval('fn2()',3000);
function fn1(){
console.log('3秒之后调用一次')
}
function fn2(){
console.log('每每经过3秒调用一次')
}
/* 每隔1秒进行时间的更新 */
setInterval('showtime()',1000);
function showtime(){
var time=new Date()
var mytime=document.getElementById('mytime')
//获取时间的年月日时分秒
var year=time.getFullYear();
var month=time.getMonth();
var day=time.getDate();
var hour=time.getHours();
var mintinue=time.getMinutes();
var seconds=time.getSeconds();
if(month<10 ){
month='0'+month;
}
if(day<10){
day='0'+day;
}
if(hour<10){
hour='0'+hour;
}
if(mintinue<10){
mintinue='0'+mintinue;
}
if(seconds<10){
seconds='0'+seconds;
}
var t=year+'-'+month+'-'+day+' '+hour+':'+mintinue+':'+seconds
mytime.innerHTML=t;
}
</script>
</body>
</html>
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