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Javascript refresher for web3

Promises, promises, promises.

Keno Leon
7 min readApr 12, 2022

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If you are just getting started developing for some aspect of web3/Ethereum/Blockchain/Solidity, chances are you will need some medium/advanced Javascript (JS) chops at some point, I’ve being away from FED (where JS reigns supreme) for a while so this is an informal refresher for myself and those getting into web3.

This ain't no crash course party but that doesn't mean you can't benefit as a beginner, if you find yourself lost this is a decent entry point into the javascript ( and programming ) rabbit hole: 

Conceptually

Big picture my favorite way of thinking about blockchains vs the traditional web is layers; for a while the only layer was the internet and we decided it was a good idea to make it the everything layer, so there’s commerce, payments along with news, entertainment and government services for instance, but most of these things were/are just a front for a real service in real life, nowadays there’s also digital goods and services and this new thing called the blockchain which you can…

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Keno Leon
Keno Leon

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