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### `Rx.Observable.prototype.min([comparer])`
[Ⓢ](https://github.com/Reactive-Extensions/RxJS/blob/master/src/core/linq/observable/min.js "View in source")
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
```js
/* Without comparer */
var source = Rx.Observable.from([1,3,5,7,9,2,4,6,8])
.min();
var subscription = source.subscribe(
function (x) {
console.log('Next: ' + x);
},
function (err) {
console.log('Error: ' + err);
},
function () {
console.log('Completed');
});
// => Next: 1
// => Completed
/* With a comparer */
function comparer (x, y) {
if (x > y) {
return 1;
} else if (x < y) {
return -1;
}
return 0;
}
var source = Rx.Observable.from([1,3,5,7,9,2,4,6,8])
.min(comparer);
var subscription = source.subscribe(
function (x) {
console.log('Next: ' + x);
},
function (err) {
console.log('Error: ' + err);
},
function () {
console.log('Completed');
});
// => Next: 1
// => Completed
```
### Location
File:
- [`/src/core/linq/observable/min.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/src/core/linq/observable/min.js)
Dist:
- [`rx.all.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.all.js)
- [`rx.all.compat.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.all.compat.js)
- [`rx.aggregates.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.aggregates.js)
Prerequisites:
- [`rx.lite.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.js) | [`rx.compat.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.compat.js) | [`rx.lite.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.lite.js) | [`rx.lite.compat.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.lite.compat.js)
NPM Packages:
- [`rx`](https://www.npmjs.org/package/rx)
NuGet Packages:
- [`RxJS-All`](http://www.nuget.org/packages/RxJS-All/)
- [`RxJS-Aggregates`](http://www.nuget.org/packages/RxJS-Aggregates/)
Unit Tests:
- [`/tests/observable/min.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/tests/observable/min.js)
|
