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Javascript as you never saw before

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cloud advocate_ who am I_ [email protected] {twitter, facebook, linkedin…}.lsantos.dev

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The magic JS

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Removing Callbacks

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The Dark Side of Javascript JS

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Symbols

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BUT BE AWARE_

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Small usage example

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Other usage example in Node.js source code bit.ly/nodejs-symbol Check it out!

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Async Iterators_

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Promise.finally

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Promise.allSettled

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Ranges

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Readonly properties_

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Object.defineProperty

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Object.defineProperties

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‘age’ hasn’t been shown because it’s not enumerable

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Private class fields_

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Dynamic function creation_

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in operator_

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Dynamic instances by reflection_

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Bitwise Operators_

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AND

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What!?

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A B C D Result X 0 1 0 1 5 Y 0 0 0 1 1 Z 0 0 0 1 1

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String as binary data

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OR

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A B C D Result X 0 1 0 1 5 Y 0 0 0 1 1 Z 0 1 0 1 5

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XOR

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A B C D Result X 0 1 0 1 5 Y 0 0 0 1 1 Z 0 1 0 0 4

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Cryptography

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NOT

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A B C D Resultado X 0 1 0 1 5 Z 1 0 1 0 10

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Existence condition

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SHIFT

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Multiply and divide

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refs_ - imasters.com.br/desenvolvimento/o-lado-escuro-javascript - medium.com/trainingcenter/entendendo-promises-de-uma-vez-por-todas-3 2442ec725c2 - imasters.com.br/desenvolvimento/campos-publicos-e-privados-em-classes-j avascript-o-que-vem-por-ai-no-esnext - imasters.com.br/javascript/futuro-das-promises-no-javascript - medium.com/trainingcenter/iterators-em-javascript-880adef14495 - medium.com/trainingcenter/reflection-em-javascript-73fc0e702e2 - developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objec ts/Reflect - slides.lsantos.dev/desmistificando-heranca-e-prototipos-no-javascript - dev.to/khaosdoctor/entendendo-async-iterators-1opo

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thank you_ info.lsantos.dev