Today I have solved the problem in javascript

 Create a class ArrayWrapper that accepts an array of integers in its constructor. This class should have two features:

  • When two instances of this class are added together with the + operator, the resulting value is the sum of all the elements in both arrays.
  • When the String() function is called on the instance, it will return a comma separated string surrounded by brackets. For example, [1,2,3].

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