Fixed performance issue

Author: Ben TORFS

dist/angular-bootstrap-multiselect.js

@@ -63,7 +63,7 @@
                         if ($scope.selectedOptions) {
                             $scope.selectedOptions = [];
                         }
-                        $scope.unselectedOptions = angular.copy($scope.resolvedOptions);
+                        $scope.unselectedOptions = $scope.resolvedOptions.slice(); // Take a copy
                     } else {
                         $scope.selectedOptions = $scope.resolvedOptions.filter(function (el) {
                             var id = $scope.getId(el);

dist/angular-bootstrap-multiselect.min.js

@@ -5,3 +5,4 @@ Angular Bootstrap Multiselect
 
 Find documentation on [ the github page](http://bentorfs.github.io/angular-bootstrap-multiselect/)
 
+Contributions welcome

readme.md

@@ -63,7 +63,7 @@
                         if ($scope.selectedOptions) {
                             $scope.selectedOptions = [];
                         }
-                        $scope.unselectedOptions = angular.copy($scope.resolvedOptions);
+                        $scope.unselectedOptions = $scope.resolvedOptions.slice(); // Take a copy
                     } else {
                         $scope.selectedOptions = $scope.resolvedOptions.filter(function (el) {
                             var id = $scope.getId(el);

src/multiselect.js

@@ -52,7 +52,7 @@ <h3>Test with many items</h3>
 </div>
 
 <script src="../../bower_components/angular/angular.js"></script>
-<script src="../../dist/angular-bootstrap-multiselect.min.js"></script>
+<script src="../../dist/angular-bootstrap-multiselect.js"></script>
 <script>
     angular.module('testApp', ['btorfs.multiselect']);
     angular.module('testApp').controller('TestController', ['$scope', function ($scope) {
@@ -63,7 +63,7 @@ <h3>Test with many items</h3>
             {name: 'element4', id: 4}
         ];
         $scope.options2 = [];
-        for (var i = 0; i < 10000; i++) {
+        for (var i = 0; i < 100000; i++) {
             $scope.options2.push({name: 'element' + i, id: i});
         }