javascript - getting the count of date -


i want count of week day within month using angularjs. example getting count of saturdays in month. how can it? thank here code:

<!doctype html> <html ng-app="myapp"> <head>  <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.9.0/moment.min.js"></script> <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.2/angular.min.js"></script> </head> <body>  <div ng-app="myapp" ng-controller="myctrl" ng-init="getdates()">    <p ng-if="x='sat'">{{dates.length}}</p>    <div ng-repeat="x in dates">     <input type="checkbox" ><p ng-show="x">{{x | format:'ddd'}}</p></input>   </div>  </div>   <script>    angular.module('myapp', []) .controller('myctrl', function($scope) {   $scope.dates=[];   $scope.getdates=function(){     for(i=0;i<31;i++){       $scope.mydate = i+' feb 2015 00:00:00 gmt';       $scope.dates.push($scope.mydate)     }   };  }) .filter('format', function() {   return function(input, format) {     return moment(new date(input)).format(format);   }; }) ;   </script>  </body> </html>

in following way:

get/init:

  • get date argument
  • get year , month of input (yearvar, monthvar)
  • get last day of month (last_day_of_month)

then

  • starting first day var currdate = new date(yearvar, monthvar, 1)

    find first occurrence of needed day if(currdate.getday() == 6) (6 sunday)

  • remember value, multiple if until day less last_day_of_month

date api

https://developer.mozilla.org/en-us/docs/web/javascript/reference/global_objects/date


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