Understanding Polymorphism in JavaScript

What Is Polymorphism? Polymorphism is a fundamental concept in object-oriented programming that refers to the ability of a single interface or method to handle different underlying forms (data types, classes, or behavior). Essentially, it means “many forms.” In simpler terms, polymorphism allows one piece of code to work with different objects in a consistent way. … Read more

Understanding Encapsulation in JavaScript

What Is Encapsulation? Encapsulation is an object-oriented programming principle that involves bundling data (properties) and behaviors (methods) together and restricting direct access to some of these components. The idea is to hide internal implementation details and expose a clear and stable interface for interacting with the object. In classical OOP languages like Java or C++, … Read more

Understanding ES6 Classes in JavaScript

Introduction to Classes Before ES6 (ECMAScript 2015), JavaScript primarily used constructor functions and prototypes for object creation and inheritance. ES6 introduced classes as syntactical sugar on top of the existing prototype-based inheritance model. Although classes look more like classes in languages such as Java or C++, they still rely on prototypes under the hood. Defining … Read more

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Apps Script Doc word Counter App Example

Apps Script Doc word Counter App Example Count the words within a Google doc using Google Apps Script code. The code in this lesson will demonstrate how to use apps script within a bound script to select the text content from a Google Doc, and then use typical javascript methods to replace all the double … Read more

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JavaScript Lesson Start and Stop Timer GetTime For Timer using Date

GetTime For Timer using DateHow to set up a timer based on a JavaScript Date object. This project will create a set of buttons that can start and stop a timer. The timer values are based on the ECMAScript epoch from the Date object in JavaScript that can be returned using getTime(). This format will … Read more