Leo's dev blog – stories, insights, and ideas javascript tagged contenthttps://www.leohuynh.deven-ushttps://www.leohuynh.dev/log/does-promise-all-run-in-parallel-or-sequentialhttps://www.leohuynh.dev/log/does-promise-all-run-in-parallel-or-sequentialJavaScript is a single-threaded programming language, so it can't run multiple things at the same time, Promise.all() actually runs promises concurrently, not in parallel!. Let's dive in to see how it works.Mon, 04 Sep 2023 00:00:00 GMTjavascriptpromiseparallelsequentialconcurrentlyhttps://www.leohuynh.dev/gists/casing-utilshttps://www.leohuynh.dev/gists/casing-utilsA various ready-to-use string casing utilities in Typescript.Tue, 21 Feb 2023 00:00:00 GMTjavascripttypescriptstringcasingutilitieshttps://www.leohuynh.dev/gists/remove-falsy-values-from-an-objecthttps://www.leohuynh.dev/gists/remove-falsy-values-from-an-objectRecursively removes all falsy values (null, undefined, 0, false) from an object and its nested properties.Wed, 21 Sep 2022 00:00:00 GMTjavascriptutilsobjecthttps://www.leohuynh.dev/gists/event-emitterhttps://www.leohuynh.dev/gists/event-emitterA lightweight pub/sub mechanism to handle custom events without adding a full-blown library.Mon, 06 Sep 2021 00:00:00 GMTjavascriptpatternevent-emitterpubsubhttps://www.leohuynh.dev/gists/vnese-to-plain-englishhttps://www.leohuynh.dev/gists/vnese-to-plain-englishConvert Vietnamese text to plain English by replacing accented characters with their equivalents.Sat, 28 Aug 2021 00:00:00 GMTjavascriptregexreplacehttps://www.leohuynh.dev/log/drag-n-drop-api-keynoteshttps://www.leohuynh.dev/log/drag-n-drop-api-keynotesSome keynotes to keep in mind when working with Drag and Drop APIs in JavascriptSun, 25 Oct 2020 00:00:00 GMTdrag-and-dropdndkeynotesapijavascripthttps://www.leohuynh.dev/log/tricky-use-case-of-array-map-in-jshttps://www.leohuynh.dev/log/tricky-use-case-of-array-map-in-jsIf you are familiar with functional programming, Array.prototype.map must be a function that you work with every day. We encountered a tricky use case of it at Cốc Cốc recently, it took me a while to figure out, and here's the answer...Tue, 22 Sep 2020 00:00:00 GMTjavascriptarraymapfunctional-programminguse-caseshttps://www.leohuynh.dev/log/function-declaration-vs-function-expression-in-jshttps://www.leohuynh.dev/log/function-declaration-vs-function-expression-in-jsLearn about the differences between Function Declaration and Function Expression in JavaScript, including their definitions, hoisting behavior, and when to use each method.Thu, 17 Sep 2020 00:00:00 GMTjavascriptfunctionfunction-declarationfunction-expressionanonymous-functionarrow-functiones5es6https://www.leohuynh.dev/log/set-up-path-aliases-in-nodejshttps://www.leohuynh.dev/log/set-up-path-aliases-in-nodejsTired of dealing with complex file paths in your Node.js project? Learn how to set up module aliases using TypeScript and module-alias package to simplify your imports and improve your development experience.Thu, 27 Aug 2020 00:00:00 GMTnodejstypescriptjavascriptaliaspath-aliasestsconfig