1、實現源碼
<!DOCTYPE html> <!-- To change this license header, choose License Headers in Project Properties. To change this template file, choose Tools | Templates and open the template in the editor. --> <html> <head> <title>JavaScript獲取某年某月的最后一天</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width"> <script type="text/javascript"> /** * 獲取某年某月的最后一天 */ function getLastDayOfMonth(year,month) { //獲取本年本月的第一天日期 var date = new Date(year,month-1,'01'); //設置日期 date.setDate(1); //設置月份 date.setMonth(date.getMonth() + 1); //獲取本月的最后一天 cdate = new Date(date.getTime() - 1000*60*60*24); //打印某年某月的最后一天 alert(cdate.getFullYear()+"年"+(Number(cdate.getMonth())+1)+"月最后一天的日期:"+cdate.getDate()+"日"); //返回結果 return cdate.getDate(); } </script> </head> <body> <input type="button" value="獲取某年某月的最后一天" onclick="getLastDayOfMonth(2014,6)"/> </body> </html>2、實現結果
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疑難解答
