In this chapter, we will learn about the JavaScript navigator object. The navigator object is part of the Browser Object Model (BOM) and provides information about the browser and the user’s device. We will cover: What is the Navigator Object? Navigator Properties Navigator Methods Simple Programs using the Navigator Object What is the Navigator Object? …
In this chapter, we will learn about the JavaScript history object. The history object is part of the Browser Object Model (BOM) and allows you to interact with the browser’s session history. We will cover: What is the History Object? Navigating the History Manipulating the History Simple Programs using the History Object What is the …
In this chapter, we will learn about the JavaScript document object. The document object represents the HTML document loaded in the browser window. It provides methods and properties to manipulate the content, structure, and style of the document. We will cover: What is the Document Object? Accessing Elements Creating and Inserting Elements Modifying Elements Removing …
In this chapter, we will learn about the JavaScript window object. The window object is the top-level object in the Browser Object Model (BOM) and represents the browser window. We will cover: What is the Window Object? Window Dimensions and Position Dialog Boxes: alert(), confirm(), prompt() Opening and Closing Windows Timing Events: setTimeout() and setInterval() …
In this chapter, we will learn about the JavaScript BOM (Browser Object Model). The BOM provides interactions with the browser window, allowing you to control the browser and the web page. We will cover: What is the BOM? The window Object The document Object The location Object The history Object The navigator Object Timers: setTimeout() …
In this chapter, we will learn about the bind() method in JavaScript. The bind() method is used to create a new function that, when called, has its this keyword set to a specific value, along with a sequence of arguments. This method is useful for preserving the context of this in functions. We will cover: …
In this chapter, we will learn about the apply() method in JavaScript. The apply() method is similar to the call() method but allows you to pass arguments as an array. This method is useful when you need to call a function with an array of arguments. We will cover: What is the apply() Method? Syntax …
In this chapter, we will learn about the call() method in JavaScript. The call() method is used to call a function with a given this value and arguments provided individually. It allows you to invoke a function with a specific this context, which can be useful in various scenarios. We will cover: What is the …
In this chapter, we will learn about creating custom error types in JavaScript. Custom error types allow you to define specific errors that are relevant to your application, making error handling more meaningful and manageable. We will cover: What are Custom Error Types? Creating Custom Error Types Using Custom Error Types Simple Programs using Custom …
In this chapter, we will learn about throwing exceptions in JavaScript. Throwing exceptions is a way to signal errors in your code and manage error handling more effectively. We will cover: What is Throwing an Exception? The throw Statement Custom Error Types Using throw with try…catch Simple Programs using Throwing Exceptions What is Throwing an …
In this chapter, we will learn about the try, catch, and finally statements in JavaScript. These statements are used for handling exceptions and ensuring that code runs smoothly even when errors occur. We will cover: What are try, catch, and finally? The try Block The catch Block The finally Block Throwing Errors Simple Programs using …
In this chapter, we will learn about error handling in JavaScript. Proper error handling is crucial for writing robust and reliable code. We will cover: What is Error Handling? Types of Errors Using try…catch Using finally Throwing Custom Errors Simple Programs using Error Handling What is Error Handling? Error handling is the process of catching …
In this chapter, we will learn about static methods in JavaScript. Static methods are functions that are defined on the class itself, rather than on instances of the class. We will cover: Introduction to Static Methods Creating Static Methods Using Static Methods Examples of Static Methods Introduction to Static Methods Static methods are defined on …
In this chapter, we will learn about the JavaScript prototype object. Prototypes are a fundamental feature in JavaScript that allows objects to inherit properties and methods from other objects. We will cover: What is a Prototype? The prototype Property Prototype Chain Inheriting Properties and Methods Adding Methods to a Prototype Simple Programs using Prototypes What …
In this chapter, we will learn about the super keyword in JavaScript. The super keyword is used to call the constructor of a parent class and to access its properties and methods. We will cover: What is super? Using super in Constructors Using super to Call Parent Methods Simple Programs using super What is super? …
In this chapter, we will learn about the this keyword in JavaScript. The this keyword is a fundamental concept that refers to the object it belongs to. We will cover: What is this? Global Context Object Method Constructor Function Class Method Arrow Functions Event Handlers Simple Programs using this What is this? The this keyword …
In this chapter, we will learn about JavaScript polymorphism. Polymorphism is one of the core concepts of Object-Oriented Programming (OOP) that allows objects of different classes to be treated as objects of a common superclass. We will cover: What is Polymorphism? Why Use Polymorphism? Method Overriding Polymorphism in Action Simple Programs using Polymorphism What is …
In this chapter, we will learn about JavaScript inheritance. Inheritance is a core concept of Object-Oriented Programming (OOP) that allows one class to inherit properties and methods from another class. We will cover: What is Inheritance? Why Use Inheritance? Creating a Base Class Extending a Class Using the super Keyword Method Overriding Inheritance with Constructors …
In this chapter, we will learn about JavaScript encapsulation. Encapsulation is one of the fundamental principles of Object-Oriented Programming (OOP). It refers to the practice of bundling data and methods that operate on that data within a single unit or class and restricting access to some of the object’s components. We will cover: What is …
In this chapter, we will learn about JavaScript getters and setters. Getters and setters allow you to define methods that are executed when a property is accessed or modified. We will cover: What are Getters and Setters? Creating Getters and Setters Using Getters and Setters Advantages of Getters and Setters Simple Programs using Getters and …
In this chapter, we will learn about JavaScript classes and objects. Classes are blueprints for creating objects, and objects are instances of classes. We will cover: What are Classes? Creating Classes Constructor Method Creating Objects Adding Methods to a Class Accessing Object Properties and Methods Modifying Object Properties Static Methods Getters and Setters Simple Programs …
In this chapter, we will learn about Object-Oriented Programming (OOP) in JavaScript. OOP is a programming paradigm based on the concept of "objects," which can contain data and code to manipulate that data. We will cover: What is OOP? Basic Concepts of OOP Creating Classes Constructor Method Creating Objects Adding Methods to a Class Inheritance …
In this chapter, we will learn about JavaScript Maps. A Map is a collection of key-value pairs where keys can be of any type. We will cover: What is a Map? Creating Maps Adding and Removing Elements Accessing Map Elements Iterating Over Maps Map Methods Converting Maps to Arrays Simple Programs using Maps What is …
In this chapter, we will learn about JavaScript Sets. A Set is a collection of unique values. Each value can only occur once in a Set. We will cover: What is a Set? Creating Sets Adding and Removing Elements Iterating Over Sets Set Methods Converting Sets to Arrays Simple Programs using Sets What is a …
In this chapter, we will learn about the JavaScript Date object. The Date object is used to work with dates and times in JavaScript. We will cover: What is the Date Object? Creating Date Objects Date Methods Formatting Dates Date Arithmetic Simple Programs using Date Object What is the Date Object? The Date object in …