How do I copy an object in JavaScript? It’s a simple question, without a simple answer. Chinese translation: 中文版 Russian translation: русском Uzbek translation: O'zbek Call by reference JavaScript passes everything by reference. In case you don’t know what that means, here’s an example: function mutate(obj) { obj.a = true; } const obj = {a: false}; mutate(obj) console.log(obj.a); // prints true Th
CSS Grid is a brand new layout system in CSS! It's not a framework or library - it's an addition to the language that allows us to quickly create flexible, two dimensional layouts. We can use it to place, size, align and architect designs that were previously difficult or even impossible with floats or flexbox. CSS Grid may seem a bit daunting with new syntax and layout ideas, but it's fairly simp
This provides a mode: "esm" flag for package.json files which will treat ".js" files as ES modules within a given package boundary. The package boundary of a package.json file is deemed to be all modules in that folder and subfolder until the next nested package.json file. The plan is to add a top-level --mode flag to this, roughly matching the npm proposal, but restricted to the current package b
Generic Out of Band File Format Configuration for Node Guy Bedford did all the leg work on these and has an open PR. He deserves all the credit. Send him lots of nice things : https://twitter.com/guybedford The following lays out the first stage of an incremental plan to give Node a generic solution to the problem of file formats. This first stage only seeks to: Setup well known presets for file f
Optional Chaining Operator - Updates - Gabriel Isenberg and Claude Pache
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CSS Containment Module Level 2 W3C Working Draft, 17 September 2022 More details about this document This version: https://www.w3.org/TR/2022/WD-css-contain-2-20220917/ Latest published version: https://www.w3.org/TR/css-contain-2/ Editor's Draft: https://drafts.csswg.org/css-contain-2/ Previous Versions: https://www.w3.org/TR/2020/WD-css-contain-2-20201216/ https://www.w3.org/TR/2020/WD-css-conta
Yep, we're talking about it Why have operator overloading at all? Useful for new proposed data types - BigInt, Decimal Operator support make these "look more like" first class data types Offers a set of well-understood base level semantics (`+` is better understood than `.plus`) C++, F#, Scala, Ruby, Haskell, & Rust all agree! Why have operator overloading at all? const a = 2n const b = 8n const c
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