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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <div class="showTime"></div> <script> var t = null; t = setTimeout(time, 1000);//開始运行 function time() { clearTimeout(t);//清除定时器 dt = new Date(); var y = dt.getFullYear(); var mt = dt.getMonth() + 1; var day = dt.getDate(); var h = dt.getHours();//获取时 var m = dt.getMinutes();//获取分 var s = dt.getSeconds();//获取秒 document.querySelector(".showTime").innerHTML = '当前时间:' + y + "年" + mt + "月" + day + " " + h + "时" + m + "分" + s + "秒"; t = setTimeout(time, 1000); //设定定时器,循环运行 } </script> </body> </html>
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