A developer's investigation into programmatically detecting 'x is not defined' ReferenceErrors in JavaScript across different browsers.
The provided content appears to be a website error page, not the intended article about TypeScript and React.
Explains the Shadow DOM, a web technology for creating isolated, encapsulated DOM trees with their own elements and styles.
Explains how React internally differentiates between class and function components to handle rendering.
Explains the array destructuring syntax used in React's useState Hook, showing how to understand and 'de-sugar' the syntax.
A deep dive into why JavaScript and React class components require calling super(props) in the constructor.
Explains how to support older browsers with JavaScript polyfills, including manual and library-based approaches.
A technical guide to building a basic Lisp compiler in JavaScript, covering parsing, code generation, and assembly output.
Explains the differences between Web Workers, Service Workers, and Worklets in JavaScript, detailing their distinct purposes and use cases.
Explores JavaScript Array methods like map(), filter(), every(), and some() as alternatives to traditional for loops for cleaner, more functional code.
Key takeaways from Chrome Dev Summit 2018, including new web proposals like Portals for navigation and the Squoosh image compression app.
A developer's comparison of popular video learning platforms like PluralSight, LinkedIn Learning, and others for tech skills like .NET, JavaScript, and DevOps.
Explores performance optimizations for async functions and promises in V8 and other JavaScript engines, including debugging improvements.
![The Road to GraphQL [Book]](https://alldevblogs.blob.core.windows.net/thumbs/article-a84fc1cd384d-full-acdad6a2.webp)
Announcement of the free book 'The Road to GraphQL' for mastering GraphQL with JavaScript, React, and Node.js through practical applications.
A critique of simplistic performance advice and microbenchmarks, advocating for context-driven analysis and proper measurement in web development.
A developer's journey migrating from Jekyll to GatsbyJS for a static blog, comparing features and evaluating modern JavaScript static site generators.
A guide to debugging and handling JavaScript bugs specific to Internet Explorer, including workarounds for missing call stacks and unstable DOM APIs.
Argues that method chaining should be a core language operator, analyzing its problems in JavaScript/jQuery and proposing a built-in solution.
The author explains how automated testing saves time and builds confidence in software development, based on personal experience.
A developer's post-mortem analysis of their unfinished pet project, EmpGrid, a web app for tracking employee online presences, built with .NET Core.
