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JavaScript comes with an object (constructor), Date (). Here's the code:
回答一：
varnow = newDate();
varnowTime = now.toLocaleString(); vardate = nowTime.substring(0,10);//截取日期 vartime = nowTime.substring(10,20); //截取时间 varweek = now.getDay(); //星期 varhour = now.getHours(); //小时 vardate = newDate();
varyear = date.getFullYear();
varmonth = date.getMonth()+1;varday = date.getDate();varhour = date.getHours();varminute = date.getMinutes();varsecond = date.getSeconds();alert(year+‘年‘+month+‘月‘+day+‘日 ‘+hour‘:‘+minute+‘:‘+second)functionshowTime() { var
now =
new
Date();
var
nowTime = now.toLocaleString();
var
date = nowTime.substring(0,10);
//截取日期
var
time = nowTime.substring(10,20);
//截取时间
var
week = now.getDay();
//星期
var
hour = now.getHours();
//小时
//判断星期几 varweeks = ["日","一","二","三","四","五","六"]; vargetWeek = "星期"+ weeks[week]; varsc; //判断是AM or PM if(hour >= 0 && hour < 5){ sc = ‘凌晨‘; } elseif(hour > 5 && hour <= 7){ sc = ‘早上‘; } elseif(hour > 7 && hour <= 11){ sc = ‘上午‘; } elseif(hour > 11 && hour <= 13){ sc = ‘中午‘; } elseif(hour> 13 && hour <= 18){ sc = ‘下午‘; } elseif(hour > 18 && hour <= 23){ sc = ‘晚上‘; } document.getElementById(‘time‘).innerHTML ="当前时间："+ date+" "+ getWeek +" "+" "+sc+" "+time; setTimeout(‘showTime()‘,1000); } </script> 调用方法: <body onload="showTime()"> <div id="time"></div> </body> JS how to get system time month Day
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