ProblemWe are required to write a JavaScript function that takes in an n * n matrix of string characters and an array of integers (positive and unique).Our function should construct a string of those characters whose 1-based index is present in the array of numbers.Character Matrix −[    [‘a’, ‘b’, ... Read More

ProblemWe are required to write a JavaScript function that takes in an integer n and returns either −an integer k if n is a square number, such that k * k == n ora range (k, k+1), such that k * k < n and n < (k+1) * (k+1).ExampleFollowing ... Read More

ProblemWe are required to write a JavaScript function that takes in an array of unique non-negative integers. Our function should return a 32-bit integer such that the integer, in its binary representation, has 1 at only those indexes (counted from right) which are in the sequence.ExampleFollowing is the code − Live ... Read More

ProblemWe are required to write a JavaScript function that takes in a lowercase alphabet string. The index of ‘a’ in alphabets is 1, of ‘b’ is 2 ‘c’ is 3 … of ‘z’ is 26.Our function should sum all the index of the string characters and return the result.ExampleFollowing is ... Read More

ProblemWe are required to write a JavaScript function that takes in a string that contains numbers separated by spaces.The string either contains all odd numbers and only one even number or all even numbers and only one odd number. Our function should return that one different number from the string.ExampleFollowing ... Read More

ProblemWe are required to write a JavaScript function that lives in the Math class of JavaScript.Our function should return the nearest greater integer of the decimal number it is being called on.If the number is already an integer, we should return it as it is.ExampleFollowing is the code − Live Democonst ... Read More

ProblemWe are required to write a JavaScript function that takes in a number that specifies the perimeter for a triangle. Our function should return an array of all the triangle side triplets whose perimeter is same as specified by the input.ExampleFollowing is the code − Live Democonst perimeter = 120; const ... Read More

ProblemWe are required to write a JavaScript function that takes in an array. Our function should change the array numbers like this −If the number is odd, leave it changed.If the number is even, subtract 1 from it.And we should return the new array.ExampleFollowing is the code − Live Democonst arr ... Read More

ProblemWe are required to write a JavaScript function that takes in a string str. Our function should validate the alphabets in the string based on the numbers before them.We need to split the string by the numbers, and then compare the numbers with the number of characters in the following ... Read More

ProblemWe are required to write a JavaScript function that takes in an array. Our function should construct a new array that stores the moving average of the elements of the input array. For instance −[1, 2, 3, 4, 5] → [1, 1.5, 3, 5, 7.5]First element is the average of ... Read More