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Show HN: Bubbles, drop-in screensaver script for websites
a year ago
- Drop-in screensaver script for websites available at https://bubbles.90s.dev/ssaver.html
- Demo has a very short delay (1s)
- Script can be included with `<script src="https://bubbles.90s.dev/ssaver.js" type="module"></script>`
- Parameters can be customized: delay (default=60), speed (default=2), interval (default=100), minsize (default=10), maxsize (default=40)
- Released under MIT license
Stablecoins Are Bank Deposits
a year ago
- JavaScript is disabled in your browser.
- The site requires JavaScript to function properly.
- Potential causes include browser extensions, network issues, or browser settings.
- Suggested solutions: check connection, disable ad blockers, or try a different browser.
Why are 2025/05/28 and 2025-05-28 different days in JavaScript?
a year ago
- JavaScript's Date constructor interprets date strings differently based on their format.
- Dates in the format 'YYYY/MM/DD' are interpreted as local time.
- Dates in the format 'YYYY-MM-DD' (ISO format) are interpreted as UTC, leading to potential day discrepancies when converted to local time.
- The behavior stems from historical inconsistencies in browser implementations and ECMAScript specifications.
- Firefox initially interpreted ISO date-only forms as UTC and date-time forms without offsets as local time.
- Chrome and Safari had their own interpretations, leading to inconsistencies across browsers.
- ECMAScript specifications evolved, but browser implementations remained inconsistent for years.
- Temporal, a new JavaScript API, aims to resolve these issues by introducing plain dates without time zones.
- Temporal requires explicit time zone or offset information when parsing date-time strings, avoiding ambiguity.
- Browser date parsing can be surprisingly lenient, sometimes interpreting invalid strings as valid dates.
Astrocytes might explain the human brain's storage capacity
a year ago
- JavaScript is disabled in the browser.
- A required part of the site couldn't load due to possible issues like browser extensions, network problems, or browser settings.
- Suggested solutions include checking the connection, disabling ad blockers, or trying a different browser.
Pension Fund investors demand Musk put in a 40 HR week at Tesla
a year ago
- JavaScript is disabled in your browser.
- The site requires JavaScript to function properly.
- Potential causes include browser extensions, network issues, or browser settings.
- Suggested solutions: check connection, disable ad blockers, or try a different browser.
US economy shrank at 0.2% rate in first quarter
a year ago
- JavaScript is disabled in your browser.
- A required part of the site couldn’t load due to possible issues like browser extensions, network problems, or browser settings.
- Suggested actions include checking your connection, disabling ad blockers, or trying a different browser.
Nova: A JavaScript and WebAssembly engine written in Rust
a year ago
- Nova is a JavaScript and WebAssembly engine written in Rust.
- It follows data-oriented design principles and is currently an experimental project.
- The engine passes about 70% of the test262 test suite, with ongoing development.
- Interested individuals can check the GitHub repository or join the Discord server for discussions.
Show HN: Open Source PDF Viewer Using Chrome’s PDF Engine (MIT, WebAssembly)
a year ago
- EmbedPDF is a lightweight, customizable PDF viewer for any JavaScript project.
- It is open-source, MIT licensed, with no paywalls or limits.
- Offers extensive API for themes, annotations, search, and more.
- Compatible with JavaScript or TypeScript projects, including React, Vue, Svelte, or vanilla.
- Quick integration with just two lines of code.
- Example provided for easy setup in HTML.
- Testimonials highlight time savings and improved document handling.
- Encourages developers to join and simplify PDF integration.
What is Humphrey's Executor? A look at the 90-year-old Supreme Court decision
a year ago
- JavaScript is disabled in the browser.
- The site requires JavaScript to function properly.
- Possible causes include browser extensions, network issues, or browser settings.
- Suggested solutions: check connection, disable ad blockers, or try a different browser.
Germany eyes 10% digital tax on global tech groups
a year ago
- JavaScript is disabled in your browser.
- The site requires JavaScript to function properly.
- Possible causes include browser extensions, network issues, or browser settings.
- Suggested solutions: check connection, disable ad blockers, or try a different browser.
America needs to make its cities family-friendly again
a year ago
- JavaScript is disabled in the browser.
- The site requires JavaScript to function properly.
- Possible causes include browser extensions, network issues, or browser settings.
- Suggested solutions: check connection, disable ad blockers, or try a different browser.
Free Harvard Courses
a year ago
- JavaScript is disabled in your browser.
- The site requires JavaScript to function properly.
- Possible causes include browser extensions, network issues, or browser settings.
- Suggested solutions: check connection, disable ad blockers, or try a different browser.
No build front end is so much more fun
a year ago
- Avoid frontend build systems like npm, React, TypeScript, etc., and code in plain HTML and JavaScript.
- Browser APIs are now robust enough to eliminate the need for jQuery.
- Use simple methods like `document.querySelectorAll()` and `fetch()` to build value with minimal code.
- Recent articles cover topics like LLMs, AI and jobs, and running tools in the terminal with LLM.
Snake on a Globe
a year ago
- A unique twist on the classic snake game called 'Snake on a Globe'.
- Objective: Eat as many apples as possible by navigating to specified cities on the globe.
- Gameplay involves moving along lines of longitude or latitude to reach the next apple and city efficiently.
- Includes the largest cities in the world to test geographical knowledge.
- Built using Three Globe and Three.js, 3D JavaScript libraries.
- Data source for cities and population: Simplemaps.
- Feature requests from players: option to speed up the game, pause functionality, and disable sound.
RSC for Lisp Developers
a year ago
- LISP emphasizes that code is data and data is code, with features like quoting to treat code as data.
- Quoting in LISP allows code to be treated as data without immediate evaluation, enabling later execution.
- Web apps generate client-side code (HTML/JS) on the server, similar to quoting in LISP.
- JavaScript lacks native quoting, making it hard to treat code as data without losing syntax benefits.
- React Server Components (RSC) allow 'quoting' entire modules, enabling code-as-data for client-server composition.
- RSC enables modular composition of server and client behaviors, ensuring server-side execution within a single roundtrip.
- Unlike LISP, RSC lacks metaprogramming capabilities and code transformation features.
- LISP has solutions for multi-environment code composition (e.g., Electric), which could inspire JavaScript developers.
Rolldown-Vite: a Rust-Rewrite of Rollup
a year ago
- Rolldown-powered Vite is now available as a drop-in replacement via the rolldown-vite package.
- Rolldown is a Rust-based bundler developed alongside Oxc, a high-performance JavaScript toolset.
- Initial feature parity achieved, offering significant build time reductions (3x-16x) and lower memory usage (up to 100x less).
- Easy setup: replace 'vite' with 'rolldown-vite' in package.json or use overrides for frameworks.
- esbuild is now optional, with Oxc handling transformations and minification for improved performance.
- Early adopters report faster builds and reduced memory usage, with some enterprise apps seeing major improvements.
- Future plans include merging Rolldown into Vite, adding a full-bundle dev mode, and further Rust optimizations.
- Community feedback is encouraged to help refine Rolldown before it becomes Vite's default bundler.
Is It JavaScript?
a year ago
- The phrase 'It’s Just JavaScript' is often used to imply that a project is approachable because it uses JavaScript, a ubiquitous language.
- JavaScript can be used in various environments like browsers (DOM APIs), servers (Node.js), and with tools requiring compilation (JSX, TypeScript).
- Not all JavaScript code is standard; some requires specific runtimes, tools, or frameworks (e.g., process.env in Node, JSX in React).
- Context is crucial: understanding where and how the code runs (browser, server, specific tools) is necessary to grasp its functionality.
- True 'Just JavaScript' refers to code that runs universally without needing special tools, runtimes, or compilation steps.
'Humanity deserves better': Jony Ive, Laurene Powell Jobs on tech's next chapter
a year ago
- JavaScript is disabled in the browser.
- The site requires JavaScript to function properly.
- Possible causes include browser extensions, network issues, or browser settings.
- Suggested solutions: check connection, disable ad blockers, or try a different browser.
Jamie Dimon warns US bond market will 'crack' under pressure from rising debt
a year ago
- JavaScript is disabled in your browser.
- A required part of the site couldn’t load due to possible issues like browser extensions, network problems, or browser settings.
- Suggested solutions include checking the connection, disabling ad blockers, or trying a different browser.
JavaScript Imports Under the Hood (2023)
a year ago
- JavaScript and TypeScript require understanding sophisticated transformations between written code and browser-executed code.
- Imports like SVG, JSON, CSS, and module identifiers often undergo non-standard transformations and require specific tooling.
- SVG imports can result in raw SVG content or a path reference, depending on the build tool.
- JSON imports transform JSON files into JS objects, but this is not natively supported by browsers.
- CSS imports might inject styles into the DOM or provide class names, varying by framework or bundler.
- Module identifiers (e.g., '~/foo.js' or 'bar:foo') are non-standard and their behavior depends on the tooling.
- Deno's approach to module loading aligns with browser semantics, reducing complexity and magic.
- The gap between authored code and browser-executed code is widening, increasing the need for understanding underlying transformations.

Hasty Briefsbeta

#javascript

Show HN: Bubbles, drop-in screensaver script for websites

Stablecoins Are Bank Deposits

Why are 2025/05/28 and 2025-05-28 different days in JavaScript?

Astrocytes might explain the human brain's storage capacity

Pension Fund investors demand Musk put in a 40 HR week at Tesla

US economy shrank at 0.2% rate in first quarter

Nova: A JavaScript and WebAssembly engine written in Rust

Show HN: Open Source PDF Viewer Using Chrome’s PDF Engine (MIT, WebAssembly)

What is Humphrey's Executor? A look at the 90-year-old Supreme Court decision

Germany eyes 10% digital tax on global tech groups

America needs to make its cities family-friendly again

Free Harvard Courses

No build front end is so much more fun

Snake on a Globe

RSC for Lisp Developers

Rolldown-Vite: a Rust-Rewrite of Rollup

Is It JavaScript?

'Humanity deserves better': Jony Ive, Laurene Powell Jobs on tech's next chapter

Jamie Dimon warns US bond market will 'crack' under pressure from rising debt

JavaScript Imports Under the Hood (2023)