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TypeScript — JavaScript with superpowers – freeCodeCamp
source link: https://medium.com/@wesharehoodies/typescript-javascript-with-super-powers-a333b0fcabc9
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TypeScript can — see that little red underline? That’s Typescript giving us a hint something is horribly gone wrong. You probably figured this one out (good job) — toUpperCase() is a type of String…
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