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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.

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

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

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

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

Write a function that takes an array and a value as arguments and returns the index of the last occurrence of that value in the array using Array.prototype.lastIndexOf(). If the value is not found, return -1.

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

Write a function that uses recursion to calculate the factorial of a given positive integer.

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.

Complete the functions provided to properly utilize the Date.now() method.

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

A kata that requires the student to use String.prototype.split() to split a given string into substrings and perform a specified operation on them.

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

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

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

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

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

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

Write a JavaScript function to find the index of an item in an array using Array.prototype.findIndex().

Converts a given date to a time string

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

Create a function that returns an array of values of an array using the Array.prototype.values() 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 takes a Date object and returns the date formatted in the user's local format using the toLocaleDateString() method.

Fill arrays with specific values using Array.prototype.fill()

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

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.

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

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.

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

Create a Stock Advisor that recommends which stocks to buy based on certain parameters.

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.

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

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

Create a function that receives a string and a regular expression pattern and returns an array of all the occurrences of the pattern in the string using String.prototype.matchAll().

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

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 has a unicode character code point greater than or equal to 128. Use the String.prototype.codePointAt() method.

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

Create a function that receives a string and a number n, the function should return the string repeated n times.

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.

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

Create a function that repeats a given string n times.

Write a function that checks if an element is present in an array using Array.prototype.includes() method.

Implement the Array.prototype.with() method that returns a new array with the elements from the original array and the added elements.

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

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

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

Create a function that takes a date and a year as arguments and returns a new date with the year set to the specified value using Date.prototype.setFullYear().

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

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

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

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

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

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

Implement normalize method to format a string removing all the accents

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

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

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

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

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

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.

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

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

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

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 sets the UTC month of a given date object.

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

Create a function that takes an array of numbers and returns the index of a given element. Use Array.prototype.findIndex() to implement the function.

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 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.

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 flattens nested arrays using Array.prototype.flat() method.

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

Write a function that takes a string and returns it in lowercase using the toLocaleLowerCase() method.

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

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

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 uses the copyWithin method to replace specified elements within an array.

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

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 counts the number of seconds in a given timestamp

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

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

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 two arrays as arguments and concatenates them into a new array using the Array.prototype.concat() method.

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.

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.

Implement a function that returns true if a given string starts with a specific substring.

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

Create a function that searches for the last index of a substring in an array using Array.prototype.lastIndexOf().

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

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

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