decrement(id, [value])

Decrements a number data in a node.

Parameters

• id (string) - string id of a node. The node must contain data type of number.
• value (number, optional) - value to be decremented by. Default is 1.

Returns

• N/A

Examples

import Treeful from 'treeful';

Treeful.add('count', 0);

Treeful.decrement('count');
// Treeful.get('count') == -1

Treeful.decrement('count', 2);
// Treeful.get('count') == -3