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Re:V8 adds support for top-level await by matt-attack on Tuesday September 24, 2019 @11:46PM (#21067414)
> and waits for it

Yes but that doesn’t mean other lines of code can’t be executing while waiting. The waiting isn’t truly blocking the entire application. Plenty of other things can be happening.

Re:V8 adds support for top-level await by nemetroid on Wednesday September 25, 2019 @07:33AM (#21069681)
Sure, but the next line of the function awaiting the result can't execute while waiting.