Callbacks are a popular technique in JavaScript for handling asynchronous operations. They allow you to execute code after an asynchronous operation has been completed. The most common use case for callbacks is to handle the response from an API or database call, but they can also be used for other types of asynchronous operations such … Read More “Javascript | Callbacks and callback hell” »
Asynchronous code is an essential concept in JavaScript, and it allows developers to write non-blocking code, which can handle tasks simultaneously. In this article, we will discuss the basics of asynchronous programming in JavaScript, including how it works, its advantages, and how it can be implemented. What is asynchronous code? Asynchronous code is code that … Read More “Javascript | Understanding asynchronous code” »
JavaScript is widely used to add interactivity and dynamism to web pages, and one of the key features that make this possible is event handling. Events are actions or occurrences that take place in the browser, such as clicking a button, hovering over an element, or typing in a text box. In this article, we … Read More “Javascript | Events and event handling” »
When building web applications, one of the most important tasks is manipulating HTML elements. JavaScript provides many methods to access and modify the content and structure of HTML elements. In this article, we will explore how to access and manipulate HTML elements using JavaScript. Accessing HTML Elements: To access an HTML element using JavaScript, we … Read More “Javascript | Accessing and manipulating HTML elements” »
Arrays and objects are two of the most important data types in JavaScript, and they have their own unique set of methods that can be used to manipulate and interact with them. In this article, we will explore some of the most commonly used array and object methods in JavaScript, and provide code examples to … Read More “Javascript | Array and object methods” »
Arrays and objects are two of the most important data structures in JavaScript and are used extensively in programming. In this article, we will introduce you to arrays and objects and how to use them in your code. Introduction to Arrays Arrays are used to store multiple values in a single variable. Each value in … Read More “Javascript | Introduction to arrays and objects” »
In JavaScript, higher-order functions are functions that can take other functions as arguments, or return a function as a result. They allow us to write more modular and reusable code and are an essential concept in functional programming. Let’s take a closer look at higher-order functions and how they can be used in JavaScript. Passing … Read More “Javascript | Higher-order functions | map | filter | reduce” »
JavaScript is known for its flexibility in writing functions, and two common ways to write functions are anonymous functions and function expressions. In this article, we’ll look at both types of functions and explore some examples. What are Anonymous Functions? An anonymous function is a function without a name. It can be defined using the … Read More “Javascript | Anonymous functions and function expressions” »
In JavaScript, functions are a powerful tool for creating reusable blocks of code. When creating functions, it’s essential to understand the concepts of function parameters and arguments, and return values. In this article, we will discuss these concepts in detail and provide examples to illustrate their usage. Function Parameters and Arguments: Function parameters are placeholders … Read More “Javascript | Function parameters and arguments” »
Functions are an essential part of programming in JavaScript, allowing developers to write reusable code blocks that can be called from anywhere in the program. In this article, we will discuss how to declare and call functions in JavaScript, and also cover call, bind, and apply with examples. Declaring a Function: A function is declared … Read More “Javascript | Declaring and calling functions | Call | Bind | Apply” »