> For the complete documentation index, see [llms.txt](https://3440217568.gitbook.io/rxswift/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://3440217568.gitbook.io/rxswift/decision_tree/debounce.md).

# debounce

**过滤掉高频产生的元素**

![](https://4217506537-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MWj545abP2yK86-qksJ%2Fsync%2Fb5fa50a31e9720be66db76175ab4a0aa28080a73.png?generation=1616819382373024\&alt=media)

**debounce** 操作符将发出这种元素，在 `Observable` 产生这种元素后，一段时间内没有新元素产生。