how to filter null values from map in Dart

Question

Following the map, having both key-value pair as dynamic, Write a logic to filter all the null values from Map without us?

Is there any other approach than traversin

Answer 1

I suggest you to use removeWhere function

    Map map = {
      '1': 'one',
      '2': null,
      '3': 'three'
    };

    map.removeWhere((key, value) => key == null || value == null);
    print(map);