u/FrancisStokesin r/node • Recommends
Building A Spec Compliant Promise Implementation From Scratch
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Promises From Scratch In A Post-Apocalyptic Future
Low Byte Productions
87K subscribers • 19 videos on Hallway
- Recommended by 2 people: 2 in engineering communities.
- A classic. People kept recommending it from 2019 to 2024.
- Linked in the descriptionLowLevelJavaScript/Promises-From-Scratch
- May be out of date. Uploaded 6 years ago, in an area where tools change fast.
Intermediate. Assumes working knowledge.
25K views6 years ago2 recommendations
Programming languagesWeb developmentJavaScriptConcurrency and parallelism
How to build a spec-compliant Promise implementation from scratch to understand asynchronous abstractions and callbacks.
=[ ℹ About ℹ ]= In this installment of Low Level JavaScript we build a Promise implementation from scratch in order to understand exactly how asynchronous abstractions can be built on top of lower level primitives like callbacks. =[ 🔗 Links 🔗 ]= - ⭐️ Patreon: patreon.com/lowleveljavascript - 💌 Updates to your inbox: tinyletter.com/lowleveljavascript - Github Repo: github.com/LowLevelJavaScript/Promises-From-Scratch - Specification: promisesaplus.com - Promises (MDN): developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Gl…Why it's here
2 people recommend thisWhat people say. Recommended as an interesting walkthrough of implementing the Promises/A+ specification from scratch.
u/vorticalboxin r/node • Recommends
On “Promise are way more than we think”
I found this very intersting, implmenting "promise" again from its spec 0
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