ex9-17.htm

来自「有关JAVASCRIPT的源代码教程」· HTM 代码 · 共 19 行

HTM
19
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    <html><head><title>计算今天到指定日期之间的天数 </title></head>
    <body >
    <font face="arial" size=5 color=red>
    <script language="JavaScript">
         <!--     
        var useryear=eval(prompt("请输入年(yyyy):", "2008"));
        var usermonth=eval(prompt("请输入月(mm):", "8"));
        var userday=eval(prompt("请输入日(dd):", "1"));        
        var future = new Date(useryear,usermonth -1 ,userday);
        var today = new Date();
        var diff =Math.abs(future.getTime() - today.getTime()); //计算两个日期之间的毫秒数的差
        var days = Math.floor(diff / (1000 * 60 * 60 * 24 )); //将毫秒数转换为天数
        document.write(today.toLocaleDateString()+"与"
             +future.toLocaleDateString() +"之间的天数为:"+days+"<br>");
         //-->
    </script>
    </body>
    </html>

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