js null is object typeof
In the first implementation of JavaScript, JavaScript values were represented
as a type tag and a value. The type tag for objects was 0. null was represented
as the NULL pointer (0x00 in most platforms). Consequently, null had 0 as type
tag, hence the "object" typeof return value. (reference)
A fix was proposed for ECMAScript (via an opt-in), but was rejected.
It would have resulted in typeof null === 'null'.check null typescript
let x = foo ?? bar(); // return foo if it's not null or undefined otherwise calculate barCopyright © 2021 Codeinu
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