js 实用功能效果

js获取上个月时间

var myDate = new Date(); ???var year = myDate.getFullYear(); ???var month = myDate.getMonth(); ???if (month<10){ ???????month = "0"+month; ???} ???var firstDay = month+"/"+"01/"+year;alert(firstDay); ???myDate = new Date(year,month,0); ???var lastDay = month+"/"+myDate.getDate()+"/"+year; ??// var firstTime = "00:00:00"; ???//var lastTime = "23:59:59"; alert(lastDay);

http://www.studyofnet.com/news/1180.html

js 实用功能效果

原文地址：http://www.cnblogs.com/wulinwulin/p/7612363.html