AngularJs Remove duplicate elements in ng-repeat

Question

I have one dictionary which is stored in field_detail

{{field.displayName}}
         


        

Answer 1

I worked up a JSFiddle based on the answer provided by Ben Leash:

http://jsfiddle.net/ThunderHemlock/bvsvzrr5/1/

Thanks, Ben. Other answers required the use of AngularJS UI or other such additional frameworks.

var app = angular.module('app', []);

app.filter('unique', function() {
   return function(collection, keyname) {
      var output = [], 
          keys = [];

      angular.forEach(collection, function(item) {
          var key = item[keyname];
          if(keys.indexOf(key) === -1) {
              keys.push(key);
              output.push(item);
          }
      });
      return output;
   };
});

app.controller('MyCtrl', function ($scope) {

$scope.items = [
      {
        id : 1,
        column : "col1",
        comment : "col1-label1",
        text1 : "col1-label1-text1",
        checked: false,

      },
      {
        id : 2,
        column : "col1",
        comment : "col1-label2",
        text1 : "col1-label2-text1",
        checked: false,

      },
      {
        id : 3,
        column : "col2",
        comment : "col2-label1",
        text1 : "col2-label1-text1",
        checked: false,

      },
      {
        id : 4,
        column : "col2",
        comment : "col2-label2",
        text1 : "col2-label2-text1",
        checked: false,

      },
      {
        id : 5,
        column : "col3",
        comment : "col3-label1",
        text1 : "col3-label1-text1",
        checked: false,

      },
      {
        id : 6,
        column : "col3",
        comment : "col3-label2",
        text1 : "col3-label2-text1",
        checked: false,

      },
      {
        id : 7,
        column : "col4",
        comment : "col4-label1",
        text1 : "col4-label1-text1",
        checked: false,

      },
      {
        id : 8,
        column : "col4",
        comment : "col4-label2",
        text1 : "col4-label2-text1",
        checked: false,

      }
      ];
    });




        

            

                

                    {{ item.column }}