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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