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Oct 28, 2020
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Update reactivity-computed-watchers.md #647

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4 changes: 2 additions & 2 deletions src/guide/reactivity-computed-watchers.md
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Expand Up @@ -144,8 +144,8 @@ The `flush` option also accepts `'sync'`, which forces the effect to always trig

The `onTrack` and `onTrigger` options can be used to debug a watcher's behavior.

- `onTrack` will be called when a reactive property or ref is tracked as a dependency
- `onTrigger` will be called when the watcher callback is triggered by the mutation of a dependency
- `onTrack` will be called when a reactive property or ref is tracked as a dependency.
- `onTrigger` will be called when the watcher callback is triggered by the mutation of a dependency.

Both callbacks will receive a debugger event which contains information on the dependency in question. It is recommended to place a `debugger` statement in these callbacks to interactively inspect the dependency:

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