利用JavaScript实现在页面中显示距中秋节的天数效果-js教程-PHP中文网

利用JavaScript实现在页面中显示距中秋节的天数效果

一个新手

发布： 2017-09-26 10:16:21

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<!DOCTYPE html><html lang="en"><head>
    <meta charset="UTF-8">
    <title>在页面中显示距离2017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("2017年中秋节","10/4/2017",countDown); //调用JavaScript函数                                </script>
                        </td>
                    </tr>
                </table>
            </td>
        </tr>
    </table></body></html>

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