Monthly Archive: September 2015


Transform json to json

Problem description : Write a function which transforms the given JSON as shown belows : Input : Given an endorsment array with objects containing skill and user keys var endorsements = [ { skill:...


Remove duplicates from the given array

Problem description : Write a function that removes duplicates entries from a given array. Input : An Array // [‘Heart5’, ‘Diamond6’, ‘Club7’, ‘Spade8’, ‘Diamond6’, ‘Club7’] Output : An Array // [‘Heart5’, ‘Diamond6’, ‘Club7’, ‘Spade8’]...


Filter and sort the given array

Problem description : Write a function that filters the invalid entries from the given array by removing the following elements : which does not have either id or extension property whose id value is...


Determine if a number is Odd or not

Problem description : Write a method to determine the given number is odd or not. If it’s not a number then throw an error. Add this method as native javascript method. Input : A...


Fibonacci sum for the given number

Problem description : In mathematics, the Fibonacci numbers are the numbers in the following integer sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, … In mathematical terms, the...


Calculate the average of a nested array

Problem description: The following nested array contains some invalid entries (which are not numbers). We also want to filter those entries in our average calculation. var nestedArray = [ 1, 2, 3, [4, 5,...

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