compare and delete json data using javascript -

compare and delete json data using javascript -

below json code:

{ "uid": "4564646", "favorites": [ { "name" : "my store", "id" : "87654321", "items": [ { "productid": "46565", "title": "project", "type": "weekend project" }, { "productid": "112", "title": "bathroom", "type": "weekend project" }, { "productid": "785", "title": "link", "type": "main project" } ] } ] }

now want check productid each , delete entry items matches product id 112 . want utilize javascript only, array items not fixed , have parse json before applying deletion method.

var obj = json.parse(json_string); var fav_items = obj.favorites[0].items; (var = fav_items.length - 1; >= 0; i--) { if (fav_items[i].productid == 112) { fav_items.splice(i, 1); } }

note need loop backwards, because when splice out element array, elements after there indexes shifted down. if normal upward loop, you'll skip on elements after ones delete.

javascript json