JavaScript Tutorials

In this lab, we will explore a JavaScript function that checks whether a given date is valid or not. The function uses the spread operator and the Date constructor to create a new Date object from the given arguments. It then uses the valueOf() method and Number.isNaN() to check if the object is valid. This lab is a great opportunity to practice working with JavaScript functions and date objects.

In this lab, we will learn how to check if an object is deeply frozen in JavaScript. The lab will guide us through a recursive function that uses Object.isFrozen() to determine if an object is frozen and Object.keys() with Array.prototype.every() to check all keys for deep freezing. By the end of this lab, we will have a better understanding of how to determine the deep freezing status of an object in JavaScript.

In this lab, we will explore the concept of array-like objects in JavaScript and learn how to determine whether an object is iterable. We will use the isArrayLike function to check if an object has an iterator and therefore can be iterated over using a for...of loop. By the end of this lab, you will have a better understanding of how to work with array-like objects in JavaScript.

In this lab, we will dive into the world of JavaScript programming and explore various concepts such as variables, data types, conditional statements, loops, and functions. Through a series of hands-on exercises and coding challenges, you will learn how to write clean and efficient JavaScript code, and gain a solid understanding of the fundamental principles that underpin this powerful programming language. By the end of this lab, you will be equipped with the skills and knowledge needed to tackle more complex JavaScript projects with confidence.

In this lab, we will dive into the world of JavaScript programming and learn how to create a function that checks if a number is divisible by another number. Through this lab, you will gain a deeper understanding of the modulo operator and how it can be used to perform calculations in JavaScript. By the end of this lab, you will have a functional and efficient solution to determine if one number is divisible by another.

In this lab, we will explore the concept of asynchronous functions in JavaScript. We will learn how to recognize and differentiate between regular functions and async functions using the isAsyncFunction() method. By the end of this lab, you will have a clear understanding of how to work with asynchronous functions and how they can be used to improve the performance of your code.

In this lab, we will dive into the concept of boolean values in JavaScript. We will explore how to check whether a given value is a boolean primitive or not using the typeof operator. By the end of this lab, you will have a solid understanding of how to identify boolean values in JavaScript.

In this lab, we will be exploring how to determine if a given string contains only alphabetic characters using JavaScript. We will use a regular expression pattern to test the input string and return a boolean value indicating whether the string contains only alphabetic characters or not. This lab aims to help you strengthen your understanding of regular expressions and their usage in JavaScript.

In this lab, we will explore how to check if a given string is an anagram of another string. An anagram is a word or phrase formed by rearranging the letters of another, such as 'iceman' and 'cinema'. We will use JavaScript to create a function that takes two strings as arguments and returns a boolean value indicating whether they are anagrams of each other or not.

In this lab, we will explore how to initialize and fill an array with specified values using a mapping function in JavaScript. We will be using the Array() constructor to create an array of the desired length and the Array.prototype.fill() method to fill it with null values. Additionally, we will be using the Array.prototype.map() method to fill the array with the desired values using the provided function.

In this lab, we will explore the implementation of the insertion sort algorithm in JavaScript. We will learn how to sort an array of numbers using this algorithm and understand the logic behind it. By the end of this lab, you will be able to use the insertion sort algorithm to efficiently sort arrays in your JavaScript projects.

In this lab, we will explore how to initialize an array with reversed range using JavaScript. We will learn how to use the Array.from() and Array.prototype.map() methods to create an array that contains numbers in a specified range, but in reverse order. We will also see how to set default values for the start and step parameters and use them to generate the desired output.

In this lab, we will explore the concept of inserting values into an array at a specified index using JavaScript. You will learn how to use the Array.prototype.splice() method to insert values after a given index with a delete count of 0. This lab will provide you with hands-on experience in manipulating arrays in JavaScript and help you understand how to mutate the original array while inserting new values.

In this lab, we will explore how to create n-dimensional arrays with a given value using recursion in JavaScript. We will use the Array.from() and Array.prototype.map() methods to generate rows where each is a new array initialized using initializeNDArray(). By the end of this lab, you will have a solid understanding of how to create multi-dimensional arrays in JavaScript and how to use recursion to accomplish this task.

In this lab, we will explore how to initialize and fill an array with specific values in JavaScript. We will use the Array() constructor and the Array.prototype.fill() method to create and populate the array. By the end of the lab, you will have a deeper understanding of how to create and manipulate arrays in JavaScript.

In this lab, we will explore the fundamentals of JavaScript programming. Through a series of exercises and challenges, we will cover topics such as data types, variables, functions, and control flow. By the end of this lab, you will have a strong foundation in JavaScript programming and be equipped with the skills to tackle more advanced concepts. Get ready to dive into the exciting world of JavaScript!

In this lab, we will explore how to invert an object's key-value pairs without mutating the original object. We will use the Object.keys() method and Array.prototype.reduce() to invert the object. Additionally, we will learn how to apply a function to the inverted keys and return an array of keys responsible for generating the inverted value.

In this lab, we will explore the functionality of invoking multiple functions on given arguments and returning the results. Specifically, we will create a function that takes in multiple functions and returns a new function that applies each of those functions to the arguments it receives. This will help us better understand the use of Array.prototype.map() and Function.prototype.apply() in JavaScript.