JS countdown Simple Implementation Method _javascript skills

This article describes the JS countdown to the simple implementation of the code, sharing for everyone to reference, specific as follows:

function Timedown (second) {
  var month = ', day = ', hour = ', Minute = ';
  if (second >= 86400 *) {
   month = Math.floor (Second/(86400 * 30)) + ' month ';
   Second = second% (86400 *);
  }
  if (second >= 86400) {
   day = Math.floor (second/86400) + ' days ';
   Second = second% (86400);
  }
  if (second >= 3600) {
   hour = Math.floor (second/3600) + ' hour ';
   Second = second% 3600;
  }
  if (second >=) {
   minute = Math.floor (second/60) + ' min ';
   Second = second%;
  if (Second > 0) {
   second = second? Second + ' seconds ': ';
  }
  Return month + day + hour + minute + second;
 }

If you want to display the countdown effect, you can use the following code to call:

<!--introduce jquery-->
<script>
 $ (function () {
  var second = 10000;
  $ ('. Remain_time '). HTML (Timedown (second));
  SetInterval (function () {
   second--;
   $ ('. Remain_time '). HTML (Timedown (second);
  }, 1000);
 })
</script>
<span class= "Remain_time" ></span>

jquery Plug-in form:

   $.fn.timedown = function (opt) {var second = Opt.second;
    var tip = ' expired ';
    var $this = this;
     Self._timedown = function (second) {var month = ', day = ', hour = ', Minute = ';
      if (second >= 86400 *) {month = Math.floor (Second/(86400 * 30)) + ' month ';
     Second = second% (86400 * 30);
      } if (second >= 86400) {day = Math.floor (second/86400) + ' days ';
     Second = second% (86400);
      } if (second >= 3600) {hour = Math.floor (second/3600) + ' hour ';
     Second = second% 3600;
      } if (second >=) {minute = Math.floor (second/60) + ' min ';
     Second = second% 60;
     } if (Second > 0) {second = second? Second + ' seconds ': ';
     else {return tip;
    Return to month + day + hour + minute + second;
    };
    $this. HTML (Self._timedown (second));
     SetInterval (function () {second--;
    $this. HTML (Self._timedown (second));
}, 1000)}; How to use $('. Remain_time '). Timedown ({second:1000,tip: ' Expired '})
 

I hope this article will help you with your JavaScript programming.