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Write a function that takes a string and returns an array of code points for each character in the string using String.prototype.codePointAt() method.

Implement a function that takes a Date object as input and returns a formatted string

Write a function that checks if every element in an array satisfies a given condition.

Replace all vowels in a string with a '-'.

Implement a function that returns the current month from Date object using Date.prototype.getMonth()

Write a function that takes a Date object and returns the date formatted in the user's local format using the toLocaleDateString() method.

Write a function that uses the String.prototype.trimStart() method to remove any whitespace characters from the beginning of a given string.

Create a function to search for a substring in a given string using String.prototype.search() method.

Create a program that classifies music genres based on certain audio features

Sort an array of words based on their alphabetical order using String.prototype.localeCompare() method.

Write a function that takes a Set object as a parameter and returns an array of keys using Set.prototype.keys().

Implement an algorithm that manages the overbooking of an airline flight.

Write a function that flattens nested arrays using Array.prototype.flat() method.

Create a function that takes an array and reverse its order in place.

Create a function that receives a Date object and returns the milliseconds that have elapsed since the start of the day.

Write a function that can take in a list of numbers and precision cut them to a desired number of decimal places.

Complete the functions to find the index of an element in an array using Array.prototype.indexOf().

Write a function that takes a date object and a number of seconds and returns a new date object with the seconds set to the provided value. Example input: setSeconds(new Date('2022-10-10T10:10:10'), 30) Expected output: new Date('2022-10-10T10:10:30')

Create a function that takes in an array of music tracks and returns an object with the count of each genre in the array

Create a function that takes in a string and checks if it starts with a given substring. Return a boolean indicating whether or not the string starts with the given substring.

Create a function that takes a date and a year and sets the date's UTC full year to the provided year.

Implement a function that takes a string as input and returns it in lower case.

Create a function that uses the String.prototype.replaceAll() method to replace all occurrences of a given substring within a string.

Create a function that returns an array of values of an array using the Array.prototype.values() method.

Create a function that uses Array.prototype.every() to check if all the elements in an array meet a certain condition.

Implement equations using the Array.of() method to create arrays.

Write a function that takes a string and returns all its substrings of length 3 or greater. You must use String.prototype.slice() to achieve this.

Write a function that extracts a character from a string given an index using String.prototype.charAt()

Write a function that accepts a string and a number as arguments, then returns the character at that position in the string. Use String.prototype.charAt() for this exercise.

Create a function that sorts an array of strings in alphabetical order using String.prototype.localeCompare()

Implement a function that checks if all elements from an array are included in a given Set using the built-in Set.prototype.has() method.

Create a function that takes an array as input and returns a new array with the elements in reversed order.

Create a function that takes two parameters: a string and a regular expression. The function should return an array of all matches found in the string using the regular expression.

Create a function that will return an array in a localized way using the toLocaleString method.

Write a function that returns a substring of a given string, starting at a specified index and ending before a specified index.

Create a function that determines if two strings are anagrams of each other.

Write a function that concatenates two strings using the String.prototype.concat() method.

Given an array of numbers and a start index, remove a certain number of elements from the array and replace them with new elements.

Write a function that returns an array of char codes from a string

Write a function that uses the Date.prototype.getDay() method to determine the day of the week for a given date object.

Implement a function that removes leading and trailing whitespace from a string using the String.prototype.trim() method.

Create a function that takes a start time and an event duration and returns the end time of the event, using the Date.prototype.setHours() method to set the hours of the start time.

Write a function that takes in a string and a target substring, and returns the index at which the target substring is first found. If the target substring is not found in the string, return -1. Use the built-in JavaScript method `indexOf()` to solve the problem.

Create a function that removes white space at the end of a given string using String.prototype.trimEnd().

Write a function that returns the result of a string match with a given pattern.

Implement a function that takes in a Set and returns an array of entries

Write a function that takes a date object and a number representing the desired month, and sets the month of the date to the given month.

Write a function that takes an array and a value and pushes the value to the end of the array using Array.prototype.push().

Write a function that takes a string and removes any trailing whitespace at the end of it using String.prototype.trimEnd().

Write a function that takes an integer n and returns the nth Fibonacci number using recursion.

Create a function that takes a string and returns an array of the char codes for each character in the string

Write a function that takes in a string and uses precision cutting to remove all occurrences of the letter 'e'. Return the resulting string.

Write a function that loops through a Set using Set.prototype.forEach() method and returns an array containing the results of applying the provided function to each element.

In this kata, you will be working with the String.prototype.toLocaleUpperCase() method to convert a string to uppercase according to the user's locale.

Create a function that takes a string and a number as arguments, and pads the string on the right side with spaces until the string reaches the desired length.

Write a function that accepts a date object and a number of seconds (0 - 59) and returns a new date object with the seconds set to the provided value. The operation should be done using the setUTCSeconds() method.

Write a function that takes a Date object and returns a string representing the time portion of the date in the current time zone using the toLocaleTimeString() method. The function should also take an optional argument specifying the locale to use.

Write a function that returns whether a given string ends with the provided suffix or not

Given an array of objects, group the objects based on a specific key and return a map object.

Create a function that takes a Date object and returns a JSON string of the date in ISO format.

Write a function that takes a string as input and splits it into an array of words using String.prototype.split(). Then, join the array back into a string using Array.prototype.join(). Finally, return the new string with a different delimiter separating each word.

Given a date, return the UTC date.

Implement a function that groups an array of objects by a given key and returns a new array of objects, where each object has a key and an array of objects that have that key.

Create a function that checks if a given string ends with a specified suffix.

Implement a function that takes a Date object and a number representing minutes and sets the UTC minutes of the Date object to the provided value. The function should return the updated Date object.

Given an array of numbers, use reduce method to obtain a single value that represents the sum of all numbers in the array.

Create a function that takes an array and a value as arguments and adds the value to the beginning of the array using the unshift() method.

Create a function that returns the month of a Date object in UTC time zone.

Create a function that takes a string and a number, and repeats the string the given number of times.

Write a function that takes a string and a regular expression and returns an array of all the substrings in the string that match the regular expression.

Implement the Array.prototype.unshift() method without using built-in functions

Given a string, return a new string that is a substring of the original string. The substring should start at a specified index and continue until the end of the original string.

Create an Inventory Management System that allows users to add, remove and update items in the inventory.

Implement a function that concatenates a given string 'n' times using the String.prototype.repeat() method.

Write a function that takes a string and returns an array of matched patterns using String.prototype.matchAll().

Write a function that takes a date and returns the year in the hh:mm:ss format.

Implement normalize method to format a string removing all the accents

Create a function that takes a string and a number and pads that string with a specified character until it reaches the given length.

Write a function that checks whether a given string ends with the specified suffix or not.

Given a sentence, split it into an array of words using the String.prototype.split() method.

Implement a function that uses String's padStart method to add leading zeros to a number string to ensure it always has a minimum length

Create a function that uses the String.prototype.lastIndexOf() method to find the index of the last occurrence of a specified substring in a given string.

Write a function that converts a given string to its string representation using the toString() method.

Create a function that returns the current year using Date's built-in getFullYear method

Use Array.prototype.slice() to solve the following tasks.

Given an array of person objects, sort them alphabetically by their last name using String.prototype.localeCompare().

Create a function that concatenates two strings using the String.prototype.concat() method.

Write a function that returns a substring of a given string, based on the start and end index provided

Write a function that finds the last index of a given element in an array using the Array.prototype.findLastIndex method.

Create a function that takes a year (YYYY) and returns the date object with its year set to the provided year.

Write a function that checks if a given string includes a specific substring. Use String.prototype.includes() method.

Write a function that checks if a given string has a unicode character code point greater than or equal to 128. Use the String.prototype.codePointAt() method.

Implement a function that uses String.prototype.trimEnd() to trim whitespace at the end of a string.

Write a function that joins two arrays into a single string using Array.prototype.join() method.

Create a function that accepts a string and a target length. If the length of the string is less than the target length, pad the string with spaces at the beginning until the target length is reached. If the string length is greater than or equal to the target length, return the original string.

Create a function that takes in a string and uses String.prototype.match() to find all occurrences of a pattern within the string.

Write a function that takes a string and a substring as arguments, and finds the last occurrence of the substring in the string. If the substring is not found, return -1.

Write a function that checks if a given variable is an array. If it is an array, return true, otherwise return false.

Create a function that normalizes a string using String.prototype.normalize method.

Write a function that takes in a date and returns the seconds within the minute in UTC time.