javascript - return array defined by a key/value pair -

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how filter return results according key/value pair in array.

say have array : 

 .factory('dishesfactory', function (){ var factory = {     dishes :[  {nameenglish: 'tapenade',   namelocal: 'tapenade',   description: 'xxxxxx ',   region: 'provence-alpes-côte d\'azur',   regioncode: 'fr.b8',   itemid: 'fr002',   cuisinetypeisocode: 'fr',   dishcategory: 'entrée / appetizers',   country: 'france',   type: 'top_10'},   {nameenglish: 'greek style mushrooms  ',   namelocal: 'champignons à la grecque',   description: 'xxxxxxx',    region: 'all',   regioncode: '',   itemid: 'fr008',   cuisinetypeisocode: 'fr',   dishcategory: 'entrée / appetizers',  country: 'france',   type: ''}    // more entries    ];

and have following javascript either returns filtered-by-dishtype results user, or return whole list. want change returning whole list, list of item have type: 'top_10' value 

.filter('selecteddishtype', function() { return function(dishes, dishtypes) {     console.log(dishtypes);     if (dishtypes.length > 0) {         return dishes.filter(function(dish) {             return dishtypes.indexof(dish.dishcategory.tolowercase()) != -1;         });     } else {          return dishes;      }    };  })

i have tried write proper syntax amending return:dishes, ne in js, cannot work properly... !

html edited (solution) coming across here, here solution had found : 

   .filter('selecteddishtype', function() { return function(dishes, dishtypes) { // returns ad hoc categories selected user     console.log(dishtypes);     if (dishtypes.length > 0) {         return dishes.filter(function(dish) {             return dishtypes.indexof(dish.dishcategory.tolowercase()) != -1;         });     } else {          return dishes.filter(function(dish){ // returns "type =='top_10' avoid long loading time             return dish.type;         });       }     }; })

change filter function to

return dishes.filter(function(dish){   return dish.type.tolowercase().indexof(dishtypes) != -1; });

i think code work


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