Community Picks·2yJavaScript Visualized
This post explores the inner workings of promises in JavaScript, including the creation of promises using the `new Promise` constructor, the purpose of the Promise Reaction record, and how promises can be used to handle asynchronous tasks in a non-blocking way.
freeCodeCamp·2yLearn TypeScript for Practical Projects
Learn TypeScript for Practical Projects with a course on the freeCodeCamp.org YouTube channel. TypeScript is a popular programming language that adds static types to JavaScript, improving code robustness and readability. The course covers basic concepts, objects and functions, aliases and interfaces, tuples and enums, type guards, generics, fetching data, classes, and React development with TypeScript. The course is taught by John Smilga, known for his hands-on teaching approach.
freeCodeCamp·2yWhat is Dead Zone in JavaScript?
Understanding dead zones in JavaScript is crucial for writing efficient and bug-free code. Dead zones refer to a phase during the execution of code where a variable exists but cannot be accessed. They occur due to variable hoisting and can be handled by declaring variables before use, understanding block scope, and using caution with the `var` keyword.
The Art of Simplicity·2yEloquent JavaScript 4th edition is released
The 4th edition of Eloquent JavaScript is highly recommended for anyone new to JavaScript or looking to refresh their knowledge. The book covers both basic and advanced features of the language with plenty of examples and fun projects.
DEV·2yPolymorphism in Javascript
Polymorphism is a fundamental concept in object-oriented programming (OOP) languages, allowing the same function to be called with different signatures and enabling flexibility and adaptability in code design. In JavaScript, polymorphism is achieved through prototype inheritance and method overloading. It enhances code flexibility, extensibility, and reuse by allowing objects to exhibit multiple forms and behaviors based on their context. Different types of polymorphism in JavaScript include ad-hoc polymorphism, parametric polymorphism, subtype polymorphism, dynamic polymorphism, and compile-time polymorphism. Polymorphism is also leveraged in functional programming and can be applied in various design patterns, such as the strategy pattern, template method pattern, and visitor pattern.
DEV·2yA Guide to Building CLI Tools in JavaScript
This guide provides step-by-step instructions on building CLI tools in JavaScript, including setting up the development environment, crafting the CLI application, testing and linking the tool locally, enhancing functionality, and sharing the tool on npm.
DEV·2yTypeScript | Beginner
Introduction to TypeScript, basic types, interfaces, classes, generics, enums, type assertion, decorators, modules, namespaces, type inference, type guards, union types, intersection types, type aliases, triple-slash directives, type checking JavaScript files, type inference for destructured objects, conditional types, mapped types, declaration merging, type guards with classes, tuple types, index signatures, type guards with typeof and instanceof, recursive types, string literal types, namespace merging, type predicates, inference and strict mode, type guards with in operator, type inference for arrays, promises and async/await, generics constraints, type inference for default values.
DEV·2yHeadless UI - a great components library for Vue & React
Headless UI is an unstyled and fully accessible UI component library that integrates beautifully with Tailwind CSS. It allows developers to accelerate development speed and avoid the need for workarounds when styling components. Headless UI can be used with both Vue and React.
AWS Tip·2yVanillaJS: You Might Not Need A Library
Learn about Vanilla JavaScript, the basics of DOM selection, converting a NodeList to an array, using fetch to get information from the internet, defining a router in JavaScript, working with Shadow DOM, HTML templates, and template literals, and using proxies for reactive programming.
Hacker News·2yflydelabs/flyde: ⚡️⚡️⚡️ Open-source, visual programming for developers. Includes VS Code extension, integrates with existing TypeScript code, browser and Node.js.
Flyde is an open-source visual programming language that integrates with existing TypeScript code, runs in VS Code, and is designed to complement traditional coding. It offers a welcoming entry point for novice developers, fosters collaboration across roles, and is a valuable resource for programming educators. The licensing for Flyde allows the use of flows in software without limitation, but the visual editor must be open-sourced.
Watercooler·2yHas anyone inspected daily dev?!?
The post discusses the inspect tool and mentions finding hidden features in websites, specifically mentioning a calculator and an interactive playground on a website. It also mentions that some sites like Discord, Medium, and Instagram have a display or warning.
