What this snippet does
for await...of works on any object with [Symbol.asyncIterator] — the standard way to consume streams and async generators.
Expected output
tick 1 at ~50ms tick 2 at ~100ms tick 3 at ~150ms
Why practise typing this
Typing async/await code builds muscle memory for the symbols and indentation JavaScript uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.
More JavaScript practice
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