alt Hacker NewsIt's had return type declarations since 7. There's even intersection and literal types now. You could have typed this into google and it would have told you
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bakugo • today at 10:33 AM
Type declarations are still quite limited, though. For example, you can declare that a function returns an array or a string, but not an array of strings.
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I did and it told me that it doesn't support typed arrays.