The Metana Blog
Meet our authors →Guides, tutorials and explainers on Full-Stack from Metana's instructors and editorial team.
Full-StackTL;DR JavaScript iterators return a sequence of values, which may contain duplicates. You can use a Set to easily get unique values by filtering out duplicates. A Map can be used if you need to track the number of…
Full-StackTL;DR JavaScript generators allow you to pause and resume function execution using the yield keyword. They’re ideal for handling large datasets and asynchronous operations in an efficient way. Generators simplify code…
Full-StackJavaScript proxy is a game-changer in web development, offering developers unprecedented control over object behaviour. Whether you're intercepting operations, implementing security layers, or enhancing performance,…
Full-StackTL;DR JavaScript Reflect simplifies object manipulation with methods like Reflect.get() and Reflect.set() . It provides a consistent and predictable way to work with object properties, methods, and metadata.…
Full-StackTL;DR JavaScript objects are key-value pairs that store data and functions. Objects can be created using object literals, constructor functions, or ES6 classes. Property access can be done using dot notation or bracket…
AI & Machine LearningTL;DR Vibe Coding enables software creation through natural language input, leveraging AI to generate and refine code interactively. Traditional Coding requires writing, debugging, and testing code manually, demanding…
Full-StackTL;DR Understanding JavaScript syntax is important for writing clean and efficient code. This article covers all basic rules and syntax you need to follow while developing code in JavaScript. To write quality code,…
Full-StackTL;DR Vibe coding is a new AI-driven approach where developers use natural language prompts to generate code with tools like Cursor and Replit Agent. While this speeds up development, it can lead to shallow learning and…
Full-StackChoosing between cybersecurity vs software development can be tough. Both fields offer incredible opportunities, but in very different ways. This article will guide you throughout the process to choose the best for yours
Full-StackTL;DR JavaScript has 7 main data types, Number, String, Boolean, Undefined, Null, Symbol, and BigInt. Data types are categorized into primitive (immutable) and reference (mutable) types. Type coercion allows JavaScript…
Full-StackWhen writing JavaScript , variable accessibility is determined by where a function is defined. This behavior is called lexical scoping. JavaScript follows a lexical scope model, meaning it resolves variable lookups…
Full-StackMemory management is one of the fundamental aspects of software development. In JavaScript, despite its reputation as a “garbage-collected” language, developers still need to understand how memory works, how garbage…
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