javascript实现促销倒计时+fixed固定在底部

复制代码 代码如下:

  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

  <html xmlns="http://www.w3.org/1999/xhtml">

  <head>

  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

  <title>无标题文档</title>

  <style>

  #lefttime3 { background: url(timerbg.jpg) no-repeat left center; width:1018px;height:55px;

  font-size:40px;line-height: 55px;font-family: MS Yahei,Microsoft YaHei;

  color: #f00;color:rgb(255,205,1);

  }

  #day{ margin-left: 592px;}

  #hour { margin-left:40px; }

  #min { margin-left: 39px;}

  #sec { margin-left: 37px;}

  </style>

  <script>

  var djs = function(d,o)

  {

  var f = {

  zero: function(n){

  var n = parseInt(n, 10);

  if(n > 0) {

  if(n <= 9) n = '0' + n;

  return String(n);

  } else {

  return '00';

  }

  },

  run: function(){

  var ts = Math.round((new Date(d).getTime() - new Date().getTime()) / 1000);

  if(o && ts > 0)

  {

  var yy = Math.floor(ts / 31556926);

  var mm = Math.floor(ts / 2629744); mm = mm > 0 ? mm%12 : '00';

  var dd = Math.floor(ts / 86400); dd = dd > 0 ? dd%30 : '00';

  var hh = Math.floor(ts / 3600); hh = hh > 0 ? hh%24 : '00';

  var ii = Math.floor(ts / 60); ii = ii > 0 ? ii%60 : '00';

  var ss = Math.floor(ts % 60);

  if(o.y) o.y.innerHTML = f.zero(yy);

  if(o.m) o.m.innerHTML = f.zero(mm);

  if(o.d) o.d.innerHTML = f.zero(dd);

  if(o.h) o.h.innerHTML = f.zero(hh);

  if(o.i) o.i.innerHTML = f.zero(ii);

  if(o.s) o.s.innerHTML = f.zero(ss);

  }

  window.setTimeout(f.run,1000);

  }

  }

  f.run();

  }

  function ieFixed(id)

  {

  var isIE = (document.all) ? true : false;

  var isIE6 = isIE && ([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 6);

  var obj = document.getElementById(id).style;

  if (isIE6 && obj)

  {

  obj.position = "absolute";

  obj.bottom = "0px";

  obj.right = "0px";

  var tm = window.setInterval(function(){

  obj.marginBottom = "0px";

  obj.left = ( document.documentElement.scrollLeft + document.documentElement.clientWidth - 312) + "px";

  }, 80);

  }

  }

  </script>

  </head>

  <body style="height:300000px;">

  <div id="lll" style="margin:10px;padding:20px; border:solid 2px #DDD; background:#fc6;height:300px;"></div>

  <div id="lefttime3" style="position:fixed;bottom:0px;right:0px;"><span id="day"></span><span id="hour"></span><span id="min"></span><span id="sec"></span></div>

  <script>

  var d = new Date().getTime() + 3600*24*1000;

  var d = 1379572933131;

  var o = {

  d: document.getElementById('day'),

  h: document.getElementById('hour'),

  i: document.getElementById('min'),

  s: document.getElementById('sec')

  }

  djs(d,o);//倒计时

  ieFixed('lefttime3'); //固定在底部

  </script>

  </body>

  </html>

  1)兼容IE6

  2)自动倒计时,输入的数字必须是时间,单位毫秒。