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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.

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

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.

Create a function that replaces all instances of a given substring with another string within a larger string using String.prototype.replaceAll() method.

Create a function that takes a string as input and returns the same string in uppercase letters using the `toString()` method of the String object.

Implement a function that removes all unused items in a Set collection

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

Create a function that takes a string as input and returns the string in all lowercase letters.

Write a function that replaces the first occurrence of a specific string in a given string.

Implement a function that replaces all instances of a specified substring in a given string.

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 sets the UTC month of a given date object.

Create a function that takes two strings as input and concatenates them using the String.prototype.concat() method.

Write a function that returns the nth number in the Fibonacci sequence using recursion.

Create a function that takes in a string and a length and returns a new string with the original string padded with leading spaces if it is shorter than the provided length.

Create a function that takes two parameters: a string and a target substring, and returns the index of the first occurrence of the target substring in the string. If the target substring is not found, return -1.

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

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

Create a function that replaces all occurrences of a substring with a new string.

Create a function that receives a string and normalizes it using the String.prototype.normalize() method. Apply the NFC normalization form.

Create a function that takes an array and removes a portion of the array, as specified by the arguments, and returns the removed portion.

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

Create a function that uses the copyWithin method to replace specified elements within an array.

Create a function that returns the current date as a number (1-31).

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.

Implement a function that returns the character at the specified index of a given string.

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

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

Create a function that takes in a string with extra white space at the beginning and end of the string, and returns a new string with that white space removed. Use String.prototype.trim().

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

Create a function that slices a string based on a given start and end indexes

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.

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

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 repeats a given string n times.

This kata focuses on using String.prototype.indexOf() method.

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.

Given two arrays, join them to create a new array.

Convert a string to uppercase using String.prototype.toUpperCase();

Create a function that greets the user depending on the current hour of the day.

Create a function that takes an array as input and returns an array of the keys of the given array using Array.prototype.keys() method.

Convert an array to a string with comma-separated values. The input array can contain numbers, strings, objects, or arrays.

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

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

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

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

Converts a given date to a time string

Write a function that takes a date string as input and converts it to a UTC date string format.

Write a function that takes a string and returns it in lowercase using the toLocaleLowerCase() 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 uses the Date.prototype.getDay() method to determine the day of the week for a given date object.

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

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

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.

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.

Write a function that returns the index of the first occurrence of a given element in an array using Array.prototype.indexOf(). If the element is not found in the array, return -1.

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

Combine two arrays into a single array using the Array.prototype.concat() method

Create a function that receives a string and a number as parameters. The function should return the string repeated `n` times, where n is the number passed as parameter.

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

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.

Write a function that normalizes a string using String.prototype.normalize().

Implement a function that takes an array of strings and a search string, and returns a new array containing only the strings that includes the search string using String.prototype.includes() method.

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

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

Write a function that takes a string and a substring, and returns the index of the first occurrence of the substring in the string. If the substring is not found in the string, return -1.

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

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

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

Write a function that takes a string and a search term and returns the index of the first occurrence of the search term in the given string. If the search term is not present in the string, return -1.

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 a substring of a given string, starting at a specified index and ending before a specified index.

Create a function that uses Array.prototype.entries() to iterate over an array and perform some operations.

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

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

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

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.

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.

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

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

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

Implement various functionalities using Array.prototype.slice() method

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

Convert a string to an array of Unicode code points using String.prototype.codePointAt() method.

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

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

Write a function that returns the value of a given string using the String.prototype.valueOf() method.

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

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

Given a date, return the UTC date.

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

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

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.

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

Create a function that transforms a given string to uppercase, using String.prototype.toLocaleUpperCase()

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.

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.

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.

Create a function that returns the current minutes.

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.