Javascript Date Add Days Methods And Use Cases
In this article, we will discuss the topic of adding days to a JavaScript date object and explore various techniques and methods to achieve this functionality. So, let’s get started …
JavaScript Tutorial 2026: Free ES6+ Beginner to Advanced
JavaScript is the only language that runs natively in every web browser, making it essential for any web-based BSIT capstone, modern web application, or interactive site. This hub collects free JavaScript tutorials from basic variables and functions through modern ES6+ features, DOM manipulation, async programming, and integration with REST APIs.
What you’ll learn in the JavaScript tutorial series
Core fundamentals: variables (let/const), data types, operators, conditionals, loops
Functions: declarations, expressions, arrow functions, closures, callbacks
DOM manipulation: selecting elements, modifying content, event handling
ES6+ features: destructuring, spread/rest, template literals, modules
Async programming: Promises, async/await, fetch API, error handling
Array methods: map, filter, reduce, find, forEach (functional programming patterns)
Object-Oriented JavaScript: classes, prototypes, inheritance, getters/setters
Modern tooling: npm, webpack/Vite, ESLint, Prettier
Why every BSIT student should know JavaScript
JavaScript is unavoidable in modern web development, it’s the only language browsers natively execute. Even capstones built on PHP + MySQL back-ends need JavaScript for client-side validation, AJAX form submissions, dynamic UI updates, and modern interactive features. Beyond browsers, Node.js lets you write server-side JavaScript too, opening up the entire MEAN/MERN/MEVN stack family.
JavaScript vs TypeScript: which should I learn?
Start with JavaScript first to understand the core language. Once you’re comfortable, TypeScript is a superset that adds optional static typing, it catches more bugs at compile time and is the modern standard for large React/Vue/Angular projects in 2026. Most BSIT capstones can use either; pick TypeScript if your panel values type safety and modern best practices.
Related JavaScript resources
JavaScript Projects, 55+ downloadable JS capstones
React Projects, JS framework for modern UIs
Vue.js Projects, alternative front-end framework
Node.js Projects, server-side JavaScript
TypeScript Tutorial, add types to your JS
AJAX Projects, async API patterns
Scroll down to browse the full JavaScript tutorial catalog ↓
How to use a variable in regex pattern in JavaScript?
Find out how to create and use variables in regex (regular expression) patterns in JavaScript. This tutorial will show you how to create dynamic regex patterns using variables and the RegExp …
How to subtract days from date in JavaScript?[Solutions]
In this article, we’ll show you how to subtract days from a date in js or JavaScript using an easy approach. To do this, we can utilize the setDate() method …
Different Ways to do Javascript Object Add Property
In this article, we will explore various techniques and best practices for Javascript object add property effectively. Whether you are a beginner or an experienced developer, this guide will provide …
Javascript inline if Syntax And Usage With Example Program
In this article, we will analyze the concept of JavaScript inline if and discuss its usage and benefits. Basically, one of the powerful features of JavaScript is the ability to …
JavaScript math min Function, Syntax, Usage And Examples
In this article, we will analyze the Javascript Math.min() function, understand its syntax and usage, and delve into some practical examples to grasp its applications. Knowing that in the world …
How to use Console.Table() Method in JavaScript?
Master on how to use the console.table() method in js or JavaScript to display your data in a neat and organized format. This useful tool can help you work more efficiently and …
JavaScript getValue() Method: A Comprehensive Tutorial
Today, we are going to deal with the JavaScript getvalue() method. In the world of JavaScript programming, there’s a method called getValue() that plays a crucial role in handling form elements. In this …
How to Create Minesweeper in JavaScript with Sample Code
In this article, we’re going to explore the process of creating a simple game minesweeper in JavaScript. The game will be built from scratch, without relying on any frameworks or …
Math max Javascript Syntax, Function and Example Codes
One of the powerful features of JavaScript is math.max, it has the ability to perform mathematical operations. In this article, we will explore the concept of “Math Max” in JavaScript, …
How to make a Rock Paper Scissors Game in JavaScript?
Discover how to easily make an engaging rock paper scissors game using js or JavaScript codewars. In this article, we will guide you through the process of building the game logic …
JavaScript sort by date Techniques and Approaches
In this article, we will explore the various techniques and approaches to JavaScript sorting by date, providing you with a guide to handle this task efficiently. Knowing that in the …
Understanding the -1 Index in JavaScript Arrays
In this article, we’ll explain what the js or JavaScript -1 index in array means and how you can use it effectively in your JavaScript applications. To write efficient and error-free JavaScript …
Frequently Asked Questions
Do I need to learn JavaScript before React or Vue?
Yes, solid JavaScript fundamentals are essential before tackling frameworks. Spend at least 4-8 weeks on core JS (variables, functions, arrays, objects, DOM, async) before touching React, Vue, or Angular. Jumping straight to a framework without knowing the underlying language leads to copy-paste developers who can't debug or extend their code, panels notice this in defense. ES6+ syntax (arrow functions, destructuring, spread/rest) is mandatory before frameworks.
What's the difference between var, let, and const?
var is the old (pre-2015) way to declare variables, function-scoped, hoisted, can be redeclared. Avoid in modern code. let is block-scoped, can be reassigned, can't be redeclared in the same scope. Use for variables whose value will change. const is block-scoped, can't be reassigned. Use by default; switch to let only when reassignment is needed. Rule of thumb: const by default, let when needed, never var.
What's async/await and why does it matter?
async and await are modern JavaScript syntax for working with Promises (asynchronous operations like fetching data from an API). Old callback-based code becomes deeply nested ("callback hell"). Promises improved this. async/await makes asynchronous code read like synchronous code, much easier to follow. Essential for any modern web app that talks to a server: const response = await fetch('/api/users'); const data = await response.json();.How do I run JavaScript outside a browser?
Install Node.js (free, cross-platform from nodejs.org), it's a JavaScript runtime that lets you execute .js files from your terminal. Use cases beyond browsers: server-side web apps (Express, Fastify, NestJS), command-line tools, build tooling (webpack, Vite), desktop apps (Electron), testing scripts (Jest, Playwright). Browse our Node.js Projects for server-side examples.
Should I learn TypeScript instead of JavaScript?
Learn JavaScript first, then add TypeScript when you're comfortable. TypeScript is JavaScript with optional static typing, it catches more bugs at compile time but adds complexity. For 2026 capstones using React/Vue/Angular, TypeScript is increasingly the standard. For pure jQuery or vanilla JS capstones, TypeScript is overkill. See our TypeScript Tutorial when you're ready.
What can I build with JavaScript for my capstone?
Browser-only capstones: games (Tic-Tac-Toe, Hangman, Memory, Flappy Bird), calculators and converters, interactive dashboards with Chart.js. Front-end + back-end (full-stack): MERN stack capstones (React + Express + MongoDB), real-time chat apps with Socket.io, e-commerce front-ends consuming a PHP back-end. Browse our JavaScript Projects for examples.