JavaScript Coding Practice Problem Last Updated : 23 Apr, 2025 Summarize Comments Improve Suggest changes Share Like Article Like Report The JavaScript Coding Practice Problems page provides a variety of exercises for developers at all levels. It covers almost all the JavaScript topics like operators, control flow, numbers, strings, arrays, functions, and Regular Expressions. These problems are designed to strengthen your JavaScript skills and prepare you for real-world programming challenges.JavaScript Practice ProblemsHere's the list of pages that contains a curated list of practice problems.JavaScript Operators PracticeJavaScript Control Flow PracticeJavaScript Numbers PracticeJavaScript Strings PracticeJavaScript Arrays PracticeJavaScript Functions PracticeJavaScript Regular Expressions PracticeJavaScript QuizzesIntroductionVariables and Data TypesOperatorsControl FlowFunctionsObjectsArraysDOM and BOMEvent HandlingClasses and InheritanceModern JavaScript (ES6+)Advanced JavaScriptRegular Expressions and JSONAsynchronous JavaScriptError Handling and Debugging Comment More infoAdvertise with us S souravsharma098 Follow Improve Article Tags : JavaScript Web Technologies JavaScript-DSA JavaScript-Program Similar Reads JavaScript Tutorial JavaScript is a programming language used to create dynamic content for websites. It is a lightweight, cross-platform, and single-threaded programming language. It's an interpreted language that executes code line by line, providing more flexibility.JavaScript on Client Side: On the client side, Jav 11 min read Web Development Web development is the process of creating, building, and maintaining websites and web applications. It involves everything from web design to programming and database management. Web development is generally divided into three core areas: Frontend Development, Backend Development, and Full Stack De 5 min read React Interview Questions and Answers React is an efficient, flexible, and open-source JavaScript library that allows developers to create simple, fast, and scalable web applications. Jordan Walke, a software engineer who was working for Facebook, created React. Developers with a JavaScript background can easily develop web applications 15+ min read React Tutorial React is a powerful JavaScript library for building fast, scalable front-end applications. Created by Facebook, it's known for its component-based structure, single-page applications (SPAs), and virtual DOM,enabling efficient UI updates and a seamless user experience.Note: The latest stable version 7 min read JavaScript Interview Questions and Answers JavaScript is the most used programming language for developing websites, web servers, mobile applications, and many other platforms. In Both Front-end and Back-end Interviews, JavaScript was asked, and its difficulty depends upon the on your profile and company. Here, we compiled 70+ JS Interview q 15+ min read Introduction to Tree Data Structure Tree data structure is a hierarchical structure that is used to represent and organize data in the form of parent child relationship. The following are some real world situations which are naturally a tree.Folder structure in an operating system.Tag structure in an HTML (root tag the as html tag) or 15+ min read Domain Name System (DNS) DNS is a hierarchical and distributed naming system that translates domain names into IP addresses. When you type a domain name like www.geeksforgeeks.org into your browser, DNS ensures that the request reaches the correct server by resolving the domain to its corresponding IP address.Without DNS, w 8 min read HTML Interview Questions and Answers HTML (HyperText Markup Language) is the foundational language for creating web pages and web applications. Whether you're a fresher or an experienced professional, preparing for an HTML interview requires a solid understanding of both basic and advanced concepts. Below is a curated list of 50+ HTML 14 min read NodeJS Interview Questions and Answers NodeJS is one of the most popular runtime environments, known for its efficiency, scalability, and ability to handle asynchronous operations. It is built on Chromeâs V8 JavaScript engine for executing JavaScript code outside of a browser. It is extensively used by top companies such as LinkedIn, Net 15+ min read Web Development Technologies Web development refers to building, creating, and maintaining websites. It includes aspects such as web design, web publishing, web programming, and database management. It is the creation of an application that works over the internet, i.e., websites.To better understand the foundation of web devel 7 min read Like