遍历角度控制器中的嵌套json数组并获取唯一值

使用angular的forEach：

 var app = angular.module('app', []);    app.controller('CompaniesController', ['$scope', '$http',       function($scope, $http) {        $http.get('json/companies.json').success(function(data) { $scope.companies = data; // get data from json   angular.forEach($scope.companies, function(item){        console.log(item.technologies);      }) });        });      }    ]);