JavaScript

Variable Type: Var (old) Declaration: var variableName; Example: function exampleFunction() { var x = 10; var x = 20; // Redeclaration is allowed within the same scope console.log(x); // Outputs 20 } Always Global: Yes Redeclare (+): Allows redeclaration within the same scope. Reassign (+): Allows reassignment after declaration. Scope: Function Hoisted (+): Yes, hoisted […]

  JavaScript is a versatile language with diverse applications in frontend development and testing. Let’s explore the distinct roles and functionalities of JavaScript in these two domains, breaking down key aspects. JavaScript in Frontend Development: Role: Backbone for dynamic user interfaces: Empowers the creation of dynamic and interactive user interfaces using frameworks like React, Angular,

JavaScript, the programming language of the web, is known for its flexibility and dynamic nature. One fundamental concept that every new learner must grasp is the lifecycle of variables. A variable’s lifecycle refers to the various stages it goes through during the execution of a program. Let’s break down these stages to make it easy

JavaScript provides several avenues for displaying information on webpages, each serving distinct purposes. Let’s explore these methods and understand the nuances for both developers and testers: 1. Modifying HTML Content with innerHTML For Developers: Developers use innerHTML to dynamically update the content of HTML elements, ensuring a seamless user experience. This method is instrumental in

Embarking on the journey of learning JavaScript can be both exciting and rewarding. To facilitate this learning experience, various platforms offer unique environments tailored for beginners. In this article, we will explore three popular platforms – JSBin, Visual Studio Code (VS Code), and Replit – each with its distinct features, catering to learners with different

Introduction: JavaScript is a versatile programming language widely used in web development for creating dynamic and interactive websites. Two commonly used methods for displaying outputs and debugging in JavaScript are `console.log` and `document.write`. In this article, we will delve into the differences between these methods, catering to both testers and frontend developers. Console.log for Debugging