map() vs reduce()

 forEach() method is used to loop through each element of an array . 

 The forEach() method takes a callback function as an argument. 

 The callback function is invoked for each element of the array or object.

  map() method is used to loop through each element of an array . 

  The map() method takes a callback function as an argument. 

  The callback function is invoked for each element of the array or object.

Both map() method and  forEach() method are similar but it returns a new array.