Remove element from JSON Object

Question

I have a json array which looks something like this            id   1       children                    id   2           children                  id   3               children                      id   4                   children                                                    id   2           children                  id   3               children                      id   4                   children                                                    id   2           children                  id   3               children                      id   4                   children                                                    id   2           children                  id   3               children                      id   4                   children                                                    id   2           children                  id   3               children                      id   4                   children                                                    id   2           children                  id   3               children                      id   4                   children                                                    id   2           children                  id   3               children                      id   4                   children                                         I would like to have a function which removes the elements which has the  children  empty  How can I do it  I am not asking for the answer  only suggestions

User · Answer

JSfiddle   function deleteEmpty obj           for var k in obj           if k     children                 if obj k                         deleteEmpty obj k                  else                     delete obj children                                     for var i 0  i lt  a children length  i      deleteEmpty a children i

User · Answer

To iterate through the keys of an object  use a for    in loop   for  var key in json obj        if  json obj hasOwnProperty key                do something with  key            To test all elements for empty children  you can use a recursive approach  iterate through all elements and recursively test their children too   Removing a property of an object can be done by using the delete keyword   var someObj          one   123       two   345    var key    one   delete someObj key   console log someObj      prints    two   345     Documentation    https   developer mozilla org en-US docs JavaScript Guide Working with Objects https   developer mozilla org en-US docs JavaScript Reference Statements for   in https   developer mozilla org en-US docs JavaScript Reference Operators delete

[javascript] Remove element from JSON Object

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