js获取当前日期时间，昨天、本月第一天和最后一天

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js获取当前日期时间，格式为yymmddhhmiss

function CurentTime(){ var now = new Date();var year = now.getFullYear();       //年var month = now.getMonth() + 1;     //月var day = now.getDate();            //日var hh = now.getHours();            //时var mm = now.getMinutes();          //分var ss = now.getSeconds();var clock = year+"";//加""的作用是转成字符串，不然会以整型计算if(month < 10)clock += ""+"0";       clock += month;if(day < 10)clock += ""+"0";           clock += day;if(hh < 10)clock += ""+"0";          clock += hh;if (mm < 10)clock += ""+"0"; clock += mm; if (ss < 10)clock += ""+"0"; clock += ss;return(clock); }$scope.time='当前日期时间为：'+CurentTime();

获取昨天、本月第一天和最后一天

   function GetDateStr(AddDayCount) {       var dd = new Date();       dd.setDate(dd.getDate()+AddDayCount);//获取AddDayCount天后的日期       var y = dd.getFullYear();       var m = dd.getMonth()+1;//获取当前月份的日期       var d = dd.getDate();       return y+"."+m+"."+d;       }   $scope.zuotian = GetDateStr(-1);//昨天      var date_ = new Date();     var year = date_.getFullYear();     var month = date_.getMonth() + 1;     $scope.firstdate = year + '.' + month + '.01';//当月第一天   var day = new Date(year,month,0);         $scope.lastdate = year + '.' + month + '.' + day.getDate();//当月最后一天

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