Javascript Array Operations - New Set || filter || findIndex || map || flat || flatMap || reduce

The following topics are covered in this video:
0:00 - Intro
0:21 - Remove duplicates from an array
1:00 - Remove duplicates from an array of object
3:24 - Extracting specific fields of the object in an array of objects
4:24 - Convert nested arrays to a flat array
5:40 - Converte nested arrays to a single array with other fields
7:35 - Calculate Sum, Average of any particular field in array of objects
9:28 - Find the particular object in the array of objects from simple conditions
10:14 - Create our own functions for arrays such as map, filter.