Array: Arrays are used to store elements. Array is a collection of elements. eg: let arr = [5, 44, 87, 9] arr[0] = 5; arr[1] = 44; length is a method of array which returns total no of elements in the array. //Arrays Methods: i. push: push is used to insert a value into the array as last value e.g: array.push(values) ii. pop(): pop is used to remove only the last value of the array eg: array.pop() iii. unshift : unshift is used to insert value or values into the array as first value e.g: array.unshift(values) iv. shift(): shift is used to remove only starting vlaue of the array eg: array.shift() v. splice: splice(starting_index, deleteCount, insertValues) It is used to delete any number of values or insert any number of values to the array let arr = [5,4,6,7]; arr.splice(1,1) arr.splice(1) -- will delete whole array from index 1 arr.splice(1, 2) -- will delete 2 values from index 1 arr.splice(1, 2, "shekhar") -- will delete 2 values from index 1 and add shkhar at index 1 vi.…