ProblemWe are required to write a JavaScript function that lives on the prototype object of the string class.This function should simply change case of all the alphabets present in the string to uppercase and return the new string.ExampleFollowing is the code − Live Democonst str = 'This is a lowercase String'; ... Read More

ProblemSuppose the following number name string −const str = 'TOWNE';If we rearrange this string, we can find two number names in it 2 (TWO) and 1 (ONE).Therefore, we expect an output of 21We are required to write a JavaScript function that takes in one such string and returns the numbers ... Read More

ProblemWe are required to write a JavaScript function that takes in an array of numbers (positive and negative). Our function should calculate and return the sum of all the positive numbers present in the array.ExampleFollowing is the code − Live Democonst arr = [5, -5, -3, -5, -7, -8, 1, 9]; ... Read More

ProblemWe are required to write a JavaScript function that takes in an array of integers. Our function should return the sum of all the integers that have an even index, multiplied by the integer at the last index.const arr = [4, 1, 6, 8, 3, 9];Expected output −const output = ... Read More

When it is required to find the sum of all the nodes of a tree, a class is created, and it contains methods to set the root node, add elements to the tree, search for a specific element, and add elements of the tree to find the sum and so ... Read More

When it is required to find the sum of all the nodes of a tree, a class is created, and it contains methods to set the root node, add elements to the tree, search for a specific element, and add elements of the tree to find the sum and so ... Read More

When it is required to find the sum of all the nodes of a tree, a class is created, and it contains methods to set the root node, add elements to the tree, search for a specific element, and add elements of the tree to find the sum and so ... Read More

When it is required to display the nodes of a tree using the breadth first search traversal, a class is created, and it contains methods to set the root node, add elements to the tree, search for a specific element, perform ‘bfs’ (breadth first search) and so on. An instance ... Read More

When it is required to find the sum of all the nodes of a tree, a class is created, and it contains methods to set the root node, add elements to the tree, search for a specific element, and add elements of the tree to find the sum and so ... Read More

ProblemWe are required to write a JavaScript function that takes in a string str. Our function should construct a new string that contains only the unique characters from the input string and remove all occurrences of duplicate characters.ExampleFollowing is the code − Live Democonst str = 'hey there i am using ... Read More