By Saket Bhatnagar • January 16, 2026 • Beginner to Intermediate 1 Write a program to find square and cube of a given number. 2 Write a program to check if a given year is a leap year or not. 3 Write a program to calculate the sum of the first 100 natural numbers. 4 Write a program to check if a …

Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented programming and more.

Object Oriented Programming (OOP) is a style of programming that uses classes and objects to model real-world things like data and behavior. A class is a blueprint that defines the properties and methods an object can have, while an object is a specific instance created from that class. Why OOP is …

Learn JavaScript step by step with this detailed JavaScript tutorial which is designed for beginners and advanced learners. It covers the concepts like syntax, variables, data types, control statements, functions, objects, DOM manipulation, events, promises, async/await, error handling, cookies …

This post covers twelve practical JavaScript snippets that carry real weight in production work: data ordering, filtering, searching, aggregation, string handling, request flow, duplication removal, and user‑experience smoothing. I’ll show complete, runnable examples, point out common mistakes, and …

JavaScript Date Objects let us work with dates: Fri Jan 16 2026 20:15:43 GMT-0800 (Pacific Standard Time) Date objects are static. The "clock" is not "running". The computer clock is ticking, date objects are not. By default, JavaScript will use the browser's time zone and display a date as a full …