This method is like _.isEqual except that it accepts customizer which is
invoked to compare values. If customizer returns undefined comparisons are
handled by the method instead. The customizer is invoked with up to seven arguments:
(objValue, othValue [, index|key, object, other, stack]).
This method is like
_.isEqualexcept that it acceptscustomizerwhich is invoked to compare values. Ifcustomizerreturnsundefinedcomparisons are handled by the method instead. Thecustomizeris invoked with up to seven arguments: (objValue, othValue [, index|key, object, other, stack]).Example