AngularJS sum of rows ng-repeat

angularjs, javascript

Solution

Create a Filter:

 app.filter('sumFilter', function() {
     return function(groups) {
         var taxTotals = 0;
         for (i=0; i<groups.length; i++) {
             taxTotal = taxTotal + groups[i].taxes;    
          };
         return taxTotals;
     };
 });

Use the $filter service:

 app.controller('myController', function($scope, $filter) {
      $scope.groups = [...];

      var taxTotals = $filter('sumFilter')($scope.groups);
      console.log(taxTotals);
 });

Use it in your HTML:

<tr ng-repeat="group in groupsArr">                                         
    <td class="total-rows" ng-model="taxes">{{group.sum * group.perc / 100.0 | currency :""}}    </td>
</tr>
 <tr>
      <b> Tax Totals: </b> {{ groupsArr | sumFilter | currency }}
 </tr>

Problem

I add dynamically rows in my table with ng-repeat, coming from an array. Now I want to get the sum of all sums per row (group.sum * group.perc / 100.0). I need it in a variable because I need this value for further calculations. Thank you HTML ``` <tr ng-repeat="group in groupsArr"> <td class="total-rows" ng-model="taxes">{{group.sum * group.perc / 100.0 | currency :""}}</td> </tr> ``` SCRIPT ``` var taxTotals = 0; var taxTotals = for (i=0; i<group.length; i++) { taxTotal = taxTotal + group[i].taxes; }; console.log(taxTotals); }; ```

Original source