> For the complete documentation index, see [llms.txt](https://soufatn.gitbook.io/rxjs-book/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://soufatn.gitbook.io/rxjs-book/summary/observable/observable_instance_methods/min.md).

# min

Returns the minimum element in an observable sequence according to the optional comparer else a default greater than less than check.

## Arguments

1. `[comparer]` *(`Function`)*:  Comparer used to compare elements.

## Returns

*(`Observable`)*: An observable sequence containing a single element with the minimum element in the source sequence.

## Example

### Without comparer

## With a comparer