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JavaScript implementation page displays the number of days until the 2018 Mid-Autumn Festival

小云云Original: 2018-02-01 09:54:021320browse

This article mainly introduces the use of JavaScript to display relevant information on the page to display the number of days until the Mid-Autumn Festival in 2018. Friends who need it can refer to it. You can implement your own functions according to the following code ideas. I hope it can help everyone.

No more nonsense, the specific code is as follows:

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>在页面中显示距离2018年中秋节的天数</title>
  <script type="text/javascript">
    function countdown(title,Intime,pId) {
      var online=new Date(Intime); //根据参数定义时间对象
      var now=new Date();   //定义当前系统时间
      var leave=online.getTime()-now.getTime(); //计算时间差
      var day=Math.floor(leave/(1000*60*60*24))+1;
      if (day>1){
          pId.innerHTML="<b>----距离"+title+"还有"+day+"天！<br/>" ; //页面显示信息
      }else{
        if (day==1){
            pId.innerHTML="<b>----明天就是"+title+"啦！<br/>" ; //页面显示信息
        }else{
          if (day==0) {
            pId.innerHTML = "<b>----今天就是" + title + "呀！<br/>"; //页面显示信息
          }else{
              pId.innerHTML="<b>----哎呀!"+title+"已经过了！<br/>" ; //页面显示信息
            }
          }
        }
    }
  </script>
</head>
<body>
  <table width="350" height="450" border="0" align="center" cellspacing="0" cellpadding="0">
    <tr>
      <td valign="bottom">
        <table width="346" height="418" border="0" align="center" cellspacing="0" cellpadding="0">
          <tr>
            <td width="76"></td>
            <td width="270">
              <p id="countDown">
                <b>---</b></p>
                <script type="text/javascript">
                  countdown("2018年中秋节","10/4/2018",countDown); //调用JavaScript函数
                </script>
            </td>
          </tr>
        </table>
      </td>
    </tr>
  </table>
</body>
</html>

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