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document . write ( '<div style="position:absolute;width:4.2%;height:2%;top: 2.1%;left: 84.14%;border: 0 solid red;color:#71D7FF;font-size:0.08rem;">\n' +
' <span id="timeinfo"></span>\n' +
'</div>\n' +
'\n' +
'<div style="position:absolute;width:6%;height:2%;top: 2.1%;left: 92%;border: 0 solid red;color:#71D7FF;font-size:0.08rem;">\n' +
' <span id="dateinfo"></span>\n' +
'</div>\n' )
/*alert($(window).height());
var sonStyle = document.getElementsByClassName("son");
sonStyle.style.height = $(window).height()-500 + "px";*/
let rootWidth = document . documentElement . clientWidth || document . body . clientWidth ;
let rootDom = document . querySelector ( 'html' ) ;
rootDom . style . fontSize = rootWidth / 10 + 'px' ;
getnow ( ) ;
function getnow ( ) {
//1、获得当前时间，
var now = new Date ( ) ;
var year = now . getFullYear ( ) ;
var month = now . getMonth ( ) + 1 ;
if ( month < 10 ) {
month = "0" + month ;
}
var date = now . getDate ( ) ;
if ( date < 10 ) {
date = "0" + date ;
}
var hour = now . getHours ( ) ;
if ( hour < 10 ) {
hour = "0" + hour ;
}
var minute = now . getMinutes ( ) ;
if ( minute < 10 ) {
minute = "0" + minute ;
}
var second = now . getSeconds ( ) ;
if ( second < 10 ) {
second = "0" + second ;
}
var nowstr = year + "-" + month + "-" + date + " " + hour + ":" + minute + ":" + second ;
//alert(nowstr);
//alert(nowstr);
//2、显示时间 html
//获得标签对象
/*var nowspan=document.getElementById("nowspan");
nowspan.innerHTML=nowstr;*/
//2021-09-30 12:00:00
$ ( "#dateinfo" ) . html ( nowstr . slice ( 0 , 10 ) ) ;
$ ( "#timeinfo" ) . html ( nowstr . slice ( 11 , 19 ) ) ;
//3、使时间动起来
setTimeout ( "getnow()" , 1000 ) ;
}