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agent-skills/skills/vueuse-functions/references/watchThrottled.md
Jason Woltje f5792c40be feat: Complete fleet — 94 skills across 10+ domains
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-16 16:27:42 -06:00

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---
category: Watch
alias: throttledWatch
---
# watchThrottled
Throttled watch.
## Usage
Similar to `watch`, but offering an extra option `throttle` which will be applied to the callback function.
```ts
import { watchThrottled } from '@vueuse/core'
watchThrottled(
source,
() => { console.log('changed!') },
{ throttle: 500 },
)
```
It's essentially a shorthand for the following code:
```ts
import { throttleFilter, watchWithFilter } from '@vueuse/core'
watchWithFilter(
source,
() => { console.log('changed!') },
{
eventFilter: throttleFilter(500),
},
)
```
## Type Declarations
```ts
export interface WatchThrottledOptions<Immediate>
extends WatchOptions<Immediate> {
throttle?: MaybeRefOrGetter<number>
trailing?: boolean
leading?: boolean
}
export declare function watchThrottled<
T extends Readonly<MultiWatchSources>,
Immediate extends Readonly<boolean> = false,
>(
sources: [...T],
cb: WatchCallback<MapSources<T>, MapOldSources<T, Immediate>>,
options?: WatchThrottledOptions<Immediate>,
): WatchHandle
export declare function watchThrottled<
T,
Immediate extends Readonly<boolean> = false,
>(
source: WatchSource<T>,
cb: WatchCallback<T, Immediate extends true ? T | undefined : T>,
options?: WatchThrottledOptions<Immediate>,
): WatchHandle
export declare function watchThrottled<
T extends object,
Immediate extends Readonly<boolean> = false,
>(
source: T,
cb: WatchCallback<T, Immediate extends true ? T | undefined : T>,
options?: WatchThrottledOptions<Immediate>,
): WatchHandle
/** @deprecated use `watchThrottled` instead */
export declare const throttledWatch: typeof watchThrottled
```