javascript
By Paul Krill ECMAScript 2024, the latest version of ECMA International’s standard for JavaScript, has been officially approved, with features including transferring ArrayBuffers and advanced capabilities for working with string sets. The ECMAScript 2024 specification, also generally known as ECMA-262, was approved on June 26. Among the features are added facilities for resizing and transferring ArrayBuffers and SharedArrayBuffers. ArrayBuffers have previously enabled in-memory handling of binary data. The new feature extends ArrayBuffer constructors to take an additional maximum length that a...
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By Matthew Tyson The JavaScript language is one of the wonders of the software world. It is incredibly powerful, flexible, and versatile. One limitation of its fundamental design, however, is its single-threaded nature. Traditional JavaScript appears to handle parallel tasks, but that is a trick of syntax. To achieve true parallelism, you need to use modern multithreading approaches like web workers and worker threads. Parallelism vs. concurrencyThe most basic way to understand the difference between parallelism and concurrency is that concurrency is semantic whereas parallelism is implementat...
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By Paul Krill TypeScript 5.5, the latest version of Microsoft’s strongly typed JavaScript variant, has been officially released. The update brings improvements ranging from performance and size optimizations to regular expression checking, and adds support for ECMAScript’s new Set methods. TypeScript 5.5 was released June 20 and can be accessed through Nuget or the following command: npm -D typescript. A beta release was introduced April 25 and a release candidate arrived for June 6. Since the release candidate (RC), Microsoft has temporarily reverted a change that consulted package.json to de...
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By Matt Asay There isn’t nearly enough money in open source today. We can complain about venture capitalists distorting open source licensing, wring our hands about sustainability, and fret over how much foundation execs like Mozilla’s make, but the real issue isn’t that we have too much money sloshing around GitHub repositories. It’s that there isn’t more. Much, much more. Think about it for a second. How much does the world depend on open source today? Now make that more personal: How much do you or your employer depend on open source? According to the 2024 Open Source Security and Risk Anal...
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By Paul Krill Deno Land has released Deno 1.44, the latest version of the JavaScript, TypeScript, and WebAssembly runtime rivaling Node.js. The upgrade adds support for private NPM registries, letting developers use internal packages with Deno by configuring an .npmrc file. Performance of the Deno runtime also has been improved. Deno 1.44 was announced May 30. Developers can upgrade to Deno 1.44 by running the deno upgrade command in their terminal. In explaining support for private NPM registries, Deno Land said many large organizations host private NPM registries to manage internal packages....
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By Matthew Tyson Like every other programming environment, you need a place to store your data when coding in the browser with JavaScript. Beyond simple JavaScript variables, there are a variety of options ranging in sophistication, from using localStorage to cookies to IndexedDB and the service worker cache API. This article is a quick survey of the common mechanisms for storing data in your JavaScript programs. JavaScript variablesYou are probably already familiar with JavaScript’s set of highly flexible variable types. We don’t need to review them here; they are very powerful and capable of...
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By Simon Ritter Despite advances in cloud computing, mobile development, and AI, the day-to-day business of enterprises around the world still runs on three programming languages that made their debut in the 1990s. In nearly every ranking system, JavaScript, Python, and Java appear near the top of the most popular languages. In GitHub’s yearly State of the Octoverse report, the programming trifecta has held three of the top four spots every year since 2014. Why have these programming powerhouses remained the top choices for developers for nearly 30 years, with no sign of anything knocking them...
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