JavaScript

JavaScript: Building Blocks

JavaScript is the backbone of interactive web applications and one of the most widely used programming languages today. Whether you’re a developer working on advanced frameworks or an IT professional managing digital transformation projects, understanding JavaScript’s fundamentals is essential. This guide breaks down JavaScript’s core building blocks and demonstrates how mastering them can enhance your […]

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JavaScript

Conditional Statements in JavaScript

Conditional statements are an essential part of programming in JavaScript. They allow you to control the flow of your code based on certain conditions. Think of it as a way for your program to make decisions. What Are Conditional Statements? Conditional statements check if a specific condition is true or false and execute a block

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JavaScript

JavaScript Tasks (Multiplication, Half of the sum, Find the perimeter and area, BMI (Body Mass Index), older than 16 years)

Task 1: Multiplication Objective: Display the result of multiplying two numbers. Code Solution: const a = 3; const b = 6; const multiplicationResult = a * b; console.log(“Multiplication Result:”, multiplicationResult); Explanation: This code multiplies a and b, then prints the result. Task 2: Half of the Sum Objective: Display half of the sum of two

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JavaScript

HTML and CSS in JavaScript

The Role of HTML and CSS in JavaScript When building web pages, three main technologies work together: HTML, CSS, and JavaScript. Each plays a unique role, but they complement each other to create a smooth and engaging user experience. Let’s look at how they work individually and together. HTML (Hypertext Markup Language) HTML is the

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JavaScript

String Data Type in JavaScript

JavaScript strings are a fundamental data type used to represent and manipulate text. They are sequences of characters enclosed in either single quotes (‘ ‘), double quotes (” “), or backticks (` `). Strings can contain letters, numbers, symbols, and more, allowing you to work with various kinds of textual information. Key Features of Strings

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JavaScript

String Operations in JavaScript

String operations in JavaScript are essential for manipulating text. Understanding how to work with strings allows developers to handle data, process input, and generate dynamic content. Here are some of the most common string operations and how they are used: Operation Description Example Concatenation Combines two or more strings into one. ‘Hello’ + ‘World’ returns

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JavaScript

Numbers in JavaScript. Math Library

JavaScript provides a Math library that includes useful functions for working with numbers. Whether you need to find the maximum value, round numbers, or generate random values, the Math library has you covered. Let’s explore some of the key functions in simple terms to help you get started. Key Functions in the Math Library The

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JavaScript

JavaScript Values

JavaScript values can be easier to understand when we relate them to everyday scenarios. Let’s explore some of the basic values in JavaScript using simple, real-life examples: 1. NaN (Not a Number) Imagine you’re trying to calculate the average age of a group, but one person mistakenly enters “hello” instead of their age. This error

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JavaScript

The Semicolon: Settings in Visual Studio Code

Visual Studio Code (VS Code) is a versatile code editor, popular for its flexibility and wide range of features. One small yet crucial element that many developers interact with daily is the semicolon (;). Understanding how to handle semicolons can streamline your coding experience, especially in languages like JavaScript or TypeScript, where semicolons play a

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JavaScript

Creating a Pine Tree in JavaScript: A Step-by-Step Guide

If you’re new to coding or just exploring graphical programming, drawing a pine tree using JavaScript can be a fun project. This step-by-step guide will walk you through the basics of using HTML5 Canvas and JavaScript to create a simple yet beautiful pine tree. By the end, you’ll understand how to use recursion, angles, and

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JavaScript

Differences Between document.write and console.log

In JavaScript, two common methods for outputting information are document.write and console.log. Although both can display data, they function differently and are suitable for different scenarios. Let’s break down these differences to understand when to use each. document.write Purpose: document.write adds content directly to the HTML document. When called, it inserts the specified content into

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JavaScript

Drawing a Fir Tree in JavaScript & Understanding String Escaping

JavaScript strings can sometimes be tricky, especially when it comes to backslashes (\). Let’s explore how this affects drawing a simple tree and learn about string escaping. The Problematic Code console.log(‘ /’); console.log(‘ / ‘); console.log(‘ / ‘); console.log(‘ / ‘); console.log(‘ ——‘); console.log(‘ ||’); At first glance, this code might look correct. However, if

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JavaScript

JavaScript Variable Types

When working with JavaScript, it’s important to know how to declare and use variables. Different keywords (var, let, const, global, and undefined) affect how variables behave in your code. Let’s explore each one. 1. var Declaration: var variableName; Example: function exampleFunction() { var x = 10; var x = 20; // Redeclaration is allowed within

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JavaScript

JS Frontend vs JS for Testing – First Steps

When starting with JavaScript (JS), you’ll quickly notice it has different uses, especially in frontend development and testing. Let’s dive into these two paths to understand what they entail, the tools you can use, and some practical examples to get you started. 1. JS for Frontend Development Frontend development with JavaScript is all about creating

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JavaScript

JavaScript – lifecycle of variables

In JavaScript, variables go through a simple lifecycle consisting of three stages: Declaration, Initialization, and Usage. Understanding these stages helps you manage your variables effectively, ensuring your code runs smoothly. Let’s explore each step. 1. Declaration When you declare a variable, you’re telling JavaScript to create a spot in memory for that variable. This is

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JavaScript

JavaScript Display Options: A Guide for Developers and Testers

Understanding display options will help you present data clearly. Here’s a simple guide on common JavaScript methods for displaying information: 1. console.log(): Debugging Helper The console.log() method is used mainly for debugging. It shows messages directly in the browser’s console, allowing you to check variable values, errors, and flow of execution without interrupting the user

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JavaScript

JavaScript

What is JavaScript? JavaScript (JS) is a popular programming language that runs in web browsers. It helps make websites interactive, like adding animations, forms, and buttons that respond when clicked. When you open a webpage, there’s a good chance JavaScript is working behind the scenes to make the page dynamic and responsive. JavaScript is a

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JavaScript

JavaScript Outputs: A Guide for Testers and Frontend Developers

We’ll explore different methods to display information using JavaScript, which can help you debug, analyze, and test your code effectively. 1. console.log() – The Debugger’s Best Friend console.log() is the most commonly used method for displaying output in JavaScript. It prints messages to the browser’s console, helping developers and testers see what’s happening in the

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EXCEL

Creating Hyperlinks Between Sheets in Excel: A Quick Guide

  Hyperlinks can make your Excel workbook easier to navigate, especially when working with multiple sheets. Whether you want to jump from a summary sheet to detailed data or create a quick navigation menu, hyperlinks can help. Let’s take a look at how to set them up. Step-by-Step Guide Select the Cell Click on the

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EXCEL

How to Link to a Cell in Another Sheet in Excel

1️⃣ Start on Your Main Sheet Open Sheet1 where you want the linked data. Click the cell where you want the link. 🔍  (An arrow pointing to a cell on Sheet1 with text: “Click here to start”) 2️⃣ Type an Equals Sign (=) Type = in the cell. This starts a formula. 🔍  (A cell

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