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| <!-- $scope.myList = [{name: 'Foo', total: 1}, {name: 'Bar', total: 2}, {name: 'Baz', total: 3}] --> | |
| <span class="badge badge-success pull-right">{{myList|sumByKey:'total'}}</span> |
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| angular.module('caco.feed.filter', []) | |
| .filter('sumByKey', function() { | |
| return function(data, key) { | |
| if (typeof(data) === 'undefined' || typeof(key) === 'undefined') { | |
| return 0; | |
| } | |
| var sum = 0; | |
| for (var i = data.length - 1; i >= 0; i--) { | |
| sum += parseInt(data[i][key]); | |
| } | |
| return sum; | |
| }; | |
| }); |
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