Explains the difference between own properties defined directly on an object and inherited properties from the prototype in JavaScript.
Explains how to properly configure WKWebView for headless background operation in iOS apps, including a key workaround for JavaScript execution.
An introduction to callback functions in JavaScript, explaining how they are passed as arguments and executed within other functions.
Explores methods for handling errors in JavaScript async/await functions without using bulky try/catch blocks.
A guide to creating and using custom error classes in JavaScript for both new errors and third-party errors.
A technical case study on A/B testing the instant.page prefetching library using Netlify's split testing and SpeedCurve for performance measurement.
Explains how to run k6 load tests from the cloud, including using custom Docker images and AWS ECS/Fargate for private or complex scenarios.
Microsoft's Azure Static Web App service for hosting static JavaScript apps with GitHub integration and Azure Functions support.
A technical guide on implementing text-to-speech functionality in web applications using the JavaScript Web Speech API.
A developer's first impressions and experience trying out Deno 1.0, covering setup, built-in tools, and initial pros and cons.
A tutorial on managing JavaScript arrays in React state, covering common operations like adding, updating, and removing items.
Explains key differences between arrow functions and regular functions in JavaScript, focusing on 'this', constructors, arguments, and more.
Explains how functions in JavaScript are first-class objects, detailing their properties, constructors, and object-like behavior with examples.
Explains JavaScript's prototype-based inheritance and how the prototype chain works for object property and method lookup.
A guide to using object destructuring in JavaScript to extract properties from objects, covering syntax, nested objects, default values, and common use cases.
A guide to implementing a native sharing button using the Web Share API with progressive enhancement for cross-browser compatibility.
Advice for beginner programmers on choosing what to learn next, emphasizing following personal interest to maintain motivation and build foundational skills.
Argues against using code coverage as a strict target, explaining why high coverage doesn't guarantee good tests and can misdirect developer effort.
A developer shares how to use the URLSearchParams API to easily read, set, and delete URL query parameters in JavaScript.
Explains how many common JavaScript features like timers, fetch, and DOM manipulation are actually Browser APIs, not part of the core language.
