JavaScript DOM lessons

JavaScript project that creates a basic to-do list application Example of JavaScript in Action

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JavaScript code Example ToDo List JavaScript project that creates a basic to-do list application Here’s a simple JavaScript project that creates a basic to-do list application. I’ll provide you with the step-by-step description and the full code for each step. Project: Simple To-Do List App Step 1: HTML Structure Create an HTML file named index.html … Read more

JavaScript DOM update page element text contents

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To update the text content of an element in the DOM (Document Object Model) using JavaScript, you can use several methods depending on the situation and the specific element you want to update. Here are some common approaches: <div id=”myElement”>This is the initial text.</div> const element = document.getElementById(‘myElement’); element.textContent = ‘This is the updated text.’; … Read more

Adding Google Maps to your website

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To add Google Maps to your webpage, you can use the Google Maps Embed API. Here’s a step-by-step guide on how to do it: Customize the map Keep in mind that using the Google Maps Embed API is free for the majority of use cases, but you should review Google’s Maps Platform Pricing to ensure … Read more

Input InnerHTML and Value

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The innerHTML property is commonly used to retrieve or set the HTML content of an element in JavaScript. However, it does not work directly with input fields because input fields, such as <input> and <textarea>, do not have closing tags and cannot contain HTML content. To get or set the value of an input field, … Read more

Random Answer Generator JavaScript Coding Project

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HTML: <!DOCTYPE html> <html> <head> <title>Random Answer Generator</title> <link rel=”stylesheet” type=”text/css” href=”styles.css”> </head> <body> <h1>Random Answer Generator</h1> <input type=”text” id=”question” placeholder=”Enter your question”> <button id=”generateBtn”>Generate Answer</button> <div id=”message”></div> <script src=”script.js”></script> </body> </html> CSS (styles.css): body { font-family: Arial, sans-serif; text-align: center; } h1 { color: #333; } input[type=”text”] { padding: 8px; margin-top: 10px; font-size: 16px; … Read more

Create a JavaScript BlackJack Game

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The code you provided is for a simple Blackjack game in HTML and JavaScript. It creates a basic game interface with buttons to start a new game, hit, and stay. When the game starts, the dealer and player are each dealt two cards. The dealer’s second card is hidden, so the player only knows the … Read more

Simple Canvas JavaScript Game

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The given code demonstrates a simple game where a player can move around a canvas using the arrow keys. Let’s break it down step by step: const canvas = document.getElementById(“canvas”); const ctx = canvas.getContext(“2d”); const player = { x: 250, y: 250, width: 50, height: 50, speed: 5 }; function movePlayer(event) { // Move the … Read more

getBoundingClientRect Method in JavaScript

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The getBoundingClientRect() method in JavaScript returns a DOMRect object that represents the position and size of an element relative to the viewport. The properties of the DOMRect object include coordinates and dimensions, which are often expressed as floating-point numbers (decimal places). The reason getBoundingClientRect() returns decimal values is because it provides sub-pixel accuracy. In modern … Read more

JavaScript Page element with ID auto global object

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In JavaScript, when an HTML element has an id attribute defined, it automatically becomes available as a global variable in the DOM (Document Object Model). This means you can directly access that element using its id as a variable without the need for any explicit lookups or queries. For example, if you have an HTML … Read more

How to Serialize Form data with Vanilla JavaScript

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You can use the FormData API in JavaScript. Here’s an example of how you can serialize form data: function serializeFormData(form) { var formData = new FormData(form); var serializedData = {}; for (var [name, value] of formData) { if (serializedData[name]) { if (!Array.isArray(serializedData[name])) { serializedData[name] = [serializedData[name]]; } serializedData[name].push(value); } else { serializedData[name] = value; } … Read more