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JavaScript is a powerful language that allows web developers to create dynamic and interactive web pages. One of the most useful features that JavaScript can be used for is creating a progress bar. In this tutorial, we will walk you through the process of creating a progress bar using JavaScript. A progress bar is a graphical representation of the progress of a task, and can be used to give the user feedback on how long a task will take to complete. We will use JavaScript to update the progress bar as the task progresses, giving the user a visual ... Read More
A linked list is a linear data structure where elements (nodes) are stored in sequence, with each node containing data and a reference to the next node. Unlike arrays, linked lists allow efficient insertion and deletion at any position without shifting elements. In this article, we'll explore how to insert nodes into a linked list using JavaScript, covering insertion at the beginning, specific positions, and the end of the list. Basic Node Structure First, let's define a simple Node class that represents each element in our linked list: class Node { ... Read More
One HTML element can contain multiple nested HTML elements while creating web pages. In some cases, developers may require to read the particular HTML elements of one HTML element. In our case, we require to read all span elements of the div element and extract the content of them. In this tutorial, we will learn to read the content of all spans of a div element using JavaScript and again append it to the web page in the formatted way. Syntax Users can follow the syntax below to read all spans of a div element dynamically using ... Read More
What is Tree Shaking? Tree shaking is a technique used in modern JavaScript development to eliminate unused or "dead" code from your application bundle. The term comes from the metaphor of shaking a tree to remove dead leaves and branches, keeping only what's alive and necessary. This process analyzes your code during the build process and removes any imported functions, variables, or modules that are never actually used in your application, resulting in a smaller, more efficient bundle. Why Do We Need Tree Shaking? Tree shaking provides several key benefits for web applications: Reduced ... Read More
In the rapidly evolving world of software development, the demand for scalable and maintainable applications has grown exponentially. To meet these challenges, microservices architecture has emerged as a popular solution. With the powerful combination of JavaScript and Node.js, developers have a flexible platform at their disposal for building microservices. In this article, we will delve deeper into the fundamentals of microservices, discuss key concepts, and provide practical code examples using JavaScript and Node.js. Understanding Microservices Architecture Microservices architecture is an architectural style in which applications are built as a collection of loosely coupled, independently deployable services. Each service ... Read More
In this tutorial, we will explore two approaches to randomly change image color using HTML, CSS and JavaScript. We'll use CSS blend modes and background color techniques to create dynamic color effects. Approach 1: Using Math.random() with CSS Mix-Blend-Mode This approach uses the CSS mix-blend-mode property combined with a colored overlay to change the image appearance. We'll generate random RGB colors using JavaScript's Math.random() function. How It Works The mix-blend-mode: hue property blends the background color of an overlay div with the underlying image, creating a color-tinted effect. When we change the overlay's background color randomly, ... Read More
In HTML, we can use input elements to take input from the users by creating a form or in any other way. There are different types of input elements, such as checkboxes, radio buttons, text, numbers, etc. We can use the 'disabled' property with every element to disable the input field and stop users from interacting with the input element. In some cases, we require to add and remove the disabled attribute using JavaScript. For example, we want to take the pan card numbers of the users whose age is greater than 18. So, we require to enable the ... Read More
Progressive Web Applications (PWAs) have gained popularity in recent years as a way to deliver a superior user experience across various devices and network conditions. PWAs combine the best features of web and native applications, providing users with fast, reliable, and engaging experiences. In this article, we will explore how to build PWAs using JavaScript and Workbox, a powerful library that simplifies the process of adding offline support and caching to web applications. Understanding Progressive Web Applications (PWA) A Progressive Web Application is a web application that leverages modern web technologies to deliver a native app-like experience to ... Read More
In HTML, developers can use the 'ul' tag to create a list of items. We can add all related items to the single list and manage them dynamically using JavaScript. Sometimes, developers need to add or remove list items programmatically. We can access specific list items using their attributes and use the removeChild() method to remove them from the DOM. In this tutorial, we will explore different methods to remove list items using JavaScript, including removing specific items, the last item, and all items at once. Syntax Users can follow the syntax below to remove list ... Read More
In this article, we will learn how to disable button HTML elements dynamically using JavaScript, with the help of the "disabled" attribute. The "disabled" attribute in HTML button elements accepts a boolean value (true or false), and depending on the value, it disables the button and makes it non-functional, i.e., not clickable. We can use this attribute to disable any button in HTML by setting the "disabled" attribute to "true". Syntax Disabled Button In JavaScript, you can disable a button dynamically by setting the disabled property: // Disable button button.disabled = true; ... Read More