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on Feb 1, 2020
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TypeScript’s quirks: How inconsistencies make the ...
Whatever words you use, it simply conflicts with basic JS and is a serious flaw.
const cat = new Cat(); if (cat instanceof Dog) console.log('this should never be possible!');
What is this strange protective behavior towards TS, can we stick to logic please?
redmorphium
on Feb 1, 2020
[–]
instanceof checks the prototype chain, which is a different concept from type. Prototype chains are dynamic and exist at runtime, while Typescript types are a static concept.
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