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JavaScript时间操作之年月日星期级联操作

2019-11-20 10:47:33
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本文实例介绍了JavaScript时间操作之级联日期选择操作的详细代码,分享给大家供大家参考,具体内容如下

效果图:

具体代码:

<html>   <head>     <meta http-equiv="Content-Type" content="text/html; charset=GB2312">     <title>年月日星期级联</title>   </head>    <body topmargin="10" leftmargin="0">     <form>       <select id=year onchange="toDate();">         <script>for(i=1970;i<=2010;i++)document.write("<option>"+i+"</option>")</script>       </select>       <select id=month onchange="toDate();">         <script>for(i=1;i<=12;i++)document.write("<option>"+i+"</option>")</script>       </select>       <select id=day onchange="toDay();"></select>       <input name=weekday>     </form>     <script type="text/javascript">       var arr="日一二三四五六".split("")       function toDate(){         with(document.all){           vYear=parseInt(year.options[year.selectedIndex].text)           vMonth=parseInt(month.options[month.selectedIndex].text)           day.length=0;           for(i=0;i<(new Date(vYear,vMonth,0)).getDate();i++){day.options[day.length++].value=day.length;day.options[day.length-1].text=day.length;}         }         toDay();       }       function toDay(){         vDay=parseInt(document.all.day.options[document.all.day.selectedIndex].value)         document.all("weekday").value="星期"+arr[new Date(vYear,vMonth-1,vDay).getDay()]       }       window.onload=toDate;     </script>   </body> </html> 

希望本文所述对大家学习javascript程序设计有所帮助。

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