Learn JavaScript Programming
Master JavaScript from basics to advanced concepts with clear explanations and practical examples.
Working with JSON
JSON is a lightweight data format used by APIs and storage. Parse JSON strings into objects with JSON.parse and serialize objects to strings with JSON.stringify. Use a reviver or replacer for advanced transformations.
const json = '{"name":"Alice","age":25}';
const obj = JSON.parse(json);
console.log(obj.name);
const out = JSON.stringify(obj);
console.log(out);
Frequently Asked Questions
JavaScript is used to build interactive websites, single-page applications, and servers with Node.js. It controls the DOM, handles events, and communicates with APIs.
Basic HTML and CSS knowledge helps, especially for DOM manipulation, but you can start learning JavaScript directly and pick up HTML/CSS basics along the way.
With regular practice, basics can be learned in 2–4 weeks. Mastery of ES6+, asynchronous programming, and frameworks typically takes a few months of consistent learning.
A modern browser (Chrome/Firefox) and a code editor (VS Code). Optionally, Node.js for running JavaScript outside the browser and using npm packages.
Master JavaScript with Our Beginner-Friendly Tutorial
Learn modern JavaScript step by step with examples you can run and modify. Build interactive web pages, handle events, manipulate the DOM, and work with APIs confidently.
What You'll Learn
- Variables, data types, and operators
- Functions and array methods
- Objects, classes, and prototypes
- DOM and events
- JSON and API calls
- Promises and async/await
- Modules and modern tooling
- Best practices and tips
Our tutorial is crafted for clarity, SEO-friendly readability, and a smooth learning experience on mobile devices.