What is JSON? JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write, and easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language but is language-independent, meaning it can be used with many programming languages. Why Use JSON? […]
Tag: javascript
Creating a web application serving HTML and CSS with Node.js and Express
Creating a web application with Node.js and Express that serves HTML and CSS files is a great way to understand the basics of server-side web development. Here’s a step-by-step guide to get you started: Step 1: Setting Up Your Environment Step 2: Create Your Project Step 3: Install Express Step 4: Set Up Your Express […]
Simple Guide to Using Math.floor and Math.random in JavaScript
A very basic guide on how to use Math.floor and Math.random in JavaScript, which are commonly used for random number generation and rounding down numbers. This guide assumes you have some basic understanding of JavaScript. Using Math.floor Using Math.random Generating Random Integers If you want to generate random integers within a specific range, you can […]
A Beginner’s Guide to Selecting HTML Elements in JavaScript
JavaScript is a powerful programming language used to add interactivity and functionality to webpages. A fundamental skill in web development is selecting and manipulating HTML elements using JavaScript. In this guide, we’ll walk through the basics of selecting elements, providing examples to help students learn this essential skill. Getting Started Before we dive into selecting […]
Understanding the Difference Between Class, ID, and Element in JavaScript and CSS
When working with JavaScript and CSS, one of the fundamental concepts you need to grasp is how to select and manipulate HTML elements on a webpage. To do this effectively, you must understand the distinctions between using classes, IDs, and elements. In this article, we will explore these three selectors, providing examples to help you […]
Guide to Using for…of and for…in Loops in JavaScript
Introduction In JavaScript, for…of and for…in loops are powerful tools for iterating through elements in arrays, properties in objects, or elements in iterable data structures. These loops provide a more convenient way to traverse data compared to traditional for loops. In this guide, we will cover the basic syntax of for…of and for…in loops, provide […]
Choosing the Right JavaScript Variable Declaration: var, let, or const
In JavaScript, var, let, and const are used to declare variables, but they behave differently in terms of scope and mutability. Understanding the differences between them is crucial for writing clean and bug-free code. var Example: When to Use var: You should avoid using var in modern JavaScript because it has unpredictable scoping behavior and […]
Guide to Writing For Loops in JavaScript
Introduction In JavaScript, a “for” loop is a control structure that allows you to repeatedly execute a block of code for a specific number of iterations. For loops are especially useful when you know in advance how many times you want to repeat a task. In this guide, we will cover the basic syntax of […]
Guide to Writing While Loops in JavaScript
Introduction In JavaScript, a “while” loop is a control structure that repeatedly executes a block of code as long as a specified condition evaluates to true. This loop is useful when you want to repeat a task until a particular condition becomes false. In this guide, we will cover the basic syntax of a while […]
Creating Local Servers in Node.js with Express: A Step-by-Step Guide
Introduction: Express is a popular and widely-used web application framework for Node.js, designed to simplify the process of building server-side applications. In this tutorial, we will walk you through setting up a local server using Node.js and Express. By the end of this tutorial, you will have a basic understanding of how to create a […]