<!--代码展示--> <html> <head> <metahttp-equiv="content-type"content="text/html; charset=gb2312"/> <title>无标题文档</title> <scripttype="text/javascript"> //定义函数：构建要显示的时间日期字符串 function showtime() { //创建date对象 var today = new date(); //分别取出年、月、日、时、分、秒 var year = today.getfullyear(); var month = today.getmonth()+1; var day = today.getdate(); var hours = today.gethours(); var minutes = today.getminutes(); var seconds = today.getseconds(); //如果是单个数，则前面补0 month = month<10 ? "0"+month : month; day = day <10 ? "0"+day : day; hours = hours<10 ? "0"+hours : hours; minutes= minutes<10 ? "0"+minutes : minutes; seconds= seconds<10 ? "0"+seconds : seconds; //构建要输出的字符串 varstr = year+"年"+month+"月"+day+"日 "+hours+":"+minutes+":"+seconds; //获取id=result的对象 varobj = document.getelementbyid("result"); //将str的内容写入到id=result的<p>中去 obj.innerhtml = str; //延时器 window.settimeout("showtime()",1000); } </script> <styletype="text/css"> #result{ width:500px; border:1px solid #cccccc; background:#ffffcc; margin:50px auto; font-size:24px; color:#ff0000; padding:20px; } </style> </head> <bodyonload="showtime()"> <pid="result"></p> </body> </html>
以上就是用js显示当前系统时间的详细内容。