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replace invalid JS according to newest spec #679

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arai-a merged 1 commit into from
Jul 15, 2026
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replace invalid JS according to newest spec #679

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6 changes: 3 additions & 3 deletions js-quirks.md
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Original file line number Diff line number Diff line change
Expand Up @@ -360,11 +360,11 @@ to make it a little less confusing.)
Amazingly, both of the following are valid JS code:

```js
for (async of => {};;) {}
for (async of []) {}
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for (using of = resource;;) {}
for (using of []) {}
```

In the first line, `async` is a keyword and `of` is an identifier;
In the first line, `using` is a keyword and `of` is an identifier;
in the second line it's the other way round.

Even a simplified JS grammar can't be LR(1) as long as it includes
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