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Articles by Imran Alam
Page 3 of 6
How to render a list without rendering an engine in JavaScript?
In this tutorial, we'll explore how to render a list dynamically in JavaScript without using a rendering engine like React or Vue. We'll demonstrate various methods to create lists directly in the DOM using vanilla JavaScript and jQuery. Using Array.forEach() Method The Array.forEach() method iterates over an array and executes a callback function for each element. This is ideal for creating list items dynamically. forEach Example Rendering the list using the Array.forEach() Method ...
Read MoreHow to create a function that invokes each provided function using JavaScript?
In JavaScript, functions are first-class objects, which means they can be passed as arguments to other functions. This powerful feature enables creating functions that can invoke multiple other functions systematically. The "invoke-each" pattern creates a function that invokes each provided function with the same set of arguments. This pattern is particularly useful for executing multiple operations with shared data. Why Use the Invoke-Each Pattern? The invoke-each pattern serves several important purposes: Abstraction: It hides the complexity of invoking multiple functions, making code cleaner and more maintainable. Batch Operations: Execute ...
Read MoreHow to get an object containing parameters of current URL in JavaScript?
JavaScript provides several ways to extract URL parameters from the current page or any URL. This is useful for handling query strings, routing, and dynamic content based on URL parameters. Using the Location Object The easiest way to get information about the current URL is to use the Location object. This object is a property of the window object and contains information about the current URL. // Get the entire URL var ...
Read MoreHow to Design a Calculator with Neumorphism Effect/Soft UI in JavaScript?
In this tutorial, we will create a calculator using JavaScript with a neumorphic effect, also known as soft UI. Neumorphism is a modern design trend characterized by soft, rounded edges and subtle inset/outset shadows that create a tactile, embossed appearance. What is Neumorphism? Neumorphism combines elements of skeuomorphism and flat design. It creates depth through subtle shadows and highlights, making UI elements appear to be extruded from or pressed into the background surface. Planning the Calculator Layout Our calculator will include: Two input fields for entering numbers One output field to display results Operation ...
Read MoreWhat are the attributes that work differently between React and HTML?
React and HTML handle attributes differently, which can cause confusion for developers. While HTML attributes are always strings, React treats some attributes as JavaScript expressions and has specific naming conventions that differ from standard HTML. Key Differences in Attribute Handling The main differences between React and HTML attributes include: Naming Convention: React uses camelCase (onClick) vs HTML's lowercase (onclick) JavaScript Expressions: React attributes can accept JavaScript functions and expressions Special Attributes: Some HTML attributes have different names in React Boolean Handling: React handles boolean attributes differently than HTML Event Handler Attributes React event ...
Read MoreHow to design a video slide animation effect using HTML CSS JavaScript?
In this tutorial, we will learn how to create a captivating video slide animation effect using HTML, CSS, and JavaScript. This animation makes a video element slide smoothly across the screen, creating an engaging visual effect for web applications. Understanding CSS Keyframes The foundation of our animation is CSS keyframes. A keyframe rule defines how CSS properties change over time during an animation. For our sliding video, we'll use the transform property with translateX() to move the video horizontally. @keyframes slide { from { transform: translateX(-100%); ...
Read MoreHow to clone a given regular expression in JavaScript?
JavaScript's regular expression support is widely considered to be among the best in the world, but there's one area where it's lacking: there's no built-in way to clone a regular expression. This can be a problem when you need to create a new regular expression that is similar to an existing one but with a few small changes. The problem is that regular expressions are objects, and when you assign one regex to another variable, both variables reference the same object in memory. The Problem with Direct Assignment let regex1 = /foo/g; let regex2 = regex1; ...
Read MoreHow to uncurry a function up to depth n in JavaScript?
In JavaScript, a function is considered "curried" if it takes one or more arguments and returns a new function that expects the remaining arguments. Currying is a powerful technique that can be used to create new functions from existing ones, or to "uncurry" a function up to depth n. Why do we uncurry a function? There are several reasons why you might want to uncurry a function. For example, you may want to − Use a curried function in a context where a non-curried function is expected Convert ...
Read MoreHow to call promise inside another promise in JavaScript?
When working with JavaScript, you may find yourself needing to call a promise inside another promise. While this may seem like a daunting task, it is actually quite simple once you understand the basics of promises. In this article, we will discuss how to call a promise inside another promise in JavaScript. The Basics of Promises In order to understand how to call a promise inside another promise, it is important first to understand the basics of promises. A promise is an object that represents the eventual result of an asynchronous operation. Promises are used in JavaScript to ...
Read MoreHow to invoke a function with partials prepended arguments in JavaScript?
JavaScript provides several ways to invoke functions with partial arguments prepended. This technique is particularly useful when you want to create specialized versions of existing functions or implement partial application patterns. Using the bind() Method (Recommended) The bind()
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