We are required to write a JavaScript function that takes in an array of literals as the first argument and a search string as the second argument.The function should the array for the that search string. If that string exists in the array, we should return its next element from ... Read More

We are required to write a program (function) that takes in an object reference and returns an array of all the methods (member functions) that lives on that object.We are only required to return the methods in the array and not any other property that might have value of type ... Read More

Suppose, we have an object like this −const obj = {    "firstName": "John",    "lastName": "Green",    "car.make": "Honda",    "car.model": "Civic",    "car.revisions.0.miles": 10150,    "car.revisions.0.code": "REV01",    "car.revisions.0.changes": "",    "car.revisions.1.miles": 20021,     "car.revisions.1.code": "REV02",    "car.revisions.1.changes.0.type":    "asthetic",    "car.revisions.1.changes.0.desc":    "Left tire cap",   ... Read More

We are required to write a JavaScript function that takes in an array of literals which may contain some duplicate values.The function should return an array of all those elements that are repeated for the least number of times.For example− If the input array is −const arr = [1, 1, ... Read More

Suppose we have an array of strings like this −const arr = [ 'type=A', 'day=45' ];We are required to write a JavaScript function that takes in one such array. The function should construct an object based on this array. The object should contain a key/value pair for each string in ... Read More

We are given an array of size n, and we are required to find the majority element. The majority element is the element that appears more than [ n/2 ] times.Exampleconst arr = [2, 4, 2, 2, 2, 4, 6, 2, 5, 2]; const majorityElement = (arr = []) => ... Read More

We are required to write an Array function (functions that lives on Array.prototype object). The function should take in a start index and an end index and it should sum all the elements from start index to end index in the array (including both start and end)Exampleconst arr = [1, ... Read More

We are given two strings str1 and str2, we are required to write a function that checks if str1 is a subsequence of str2.A subsequence of a string is a new string which is formed from the original string by deleting some (can be none) of the characters without disturbing ... Read More

We are required to write a JavaScript function that takes in an array of objects of dates like this −const arr = [    {date: "2016-06-08 18:10:00"},    {date: "2016-04-26 20:01:00"},    {date: "2017-02-06 14:38:00"},    {date: "2017-01-18 17:30:21"},    {date: "2017-01-18 17:24:00"} ];We are required to write a JavaScript ... Read More

Suppose, we have the following array of objects −const arr = [    {       "date" : "2010-01-01",       "price" : 30    },    {       "date" : "2010-02-01",       "price" : 40    },    {       "date" ... Read More