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### `Rx.Observable.prototype.bufferWithTime(timeSpan, [timeShift | scheduler], [scheduler])`
[Ⓢ](https://github.com/Reactive-Extensions/RxJS/blob/master/src/core/linq/observable/bufferwithtime.js "View in source")
Projects each element of an observable sequence into zero or more buffers which are produced based on timing information.
#### Arguments
1. `timeSpan` *(`Number`)*: Length of each buffer (specified as an integer denoting milliseconds).
2. `[timeShift]` *(`Number`)*: Interval between creation of consecutive buffers (specified as an integer denoting milliseconds).
3. `[scheduler=Rx.Scheduler.timeout]` *(`Scheduler`)*: Scheduler to run buffer timers on. If not specified, the timeout scheduler is used.
#### Returns
*(`Observable`)*: An observable sequence of buffers.
#### Example
```js
/* Without a skip */
var source = Rx.Observable.interval(100)
.bufferWithTime(500)
.take(3);
var subscription = source.subscribe(
function (x) {
console.log('Next: ' + x.toString());
},
function (err) {
console.log('Error: ' + err);
},
function () {
console.log('Completed');
});
// => Next: 0,1,2,3
// => Next: 4,5,6,7,8
// => Next: 9,10,11,12,13
// => Completed
/* Using a skip */
var source = Rx.Observable.interval(100)
.bufferWithTime(500, 100)
.take(3);
var subscription = source.subscribe(
function (x) {
console.log('Next: ' + x.toString());
},
function (err) {
console.log('Error: ' + err);
},
function () {
console.log('Completed');
});
// => Next: 0,1,2,3,4
// => Next: 0,1,2,3,4,5
// => Next: 2,3,4,5,6
// => Completed
```
### Location
File:
- [`/src/core/linq/observable/bufferwithtime.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/src/core/linq/observable/bufferwithtime.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.time.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.time.js)
Prerequisites:
- [`rx`](https://www.npmjs.org/package/rx).time.js
- [`rx.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
NPM Packages:
- [`rx`](https://www.npmjs.org/package/rx)
NuGet Packages:
- [`RxJS-All`](http://www.nuget.org/packages/RxJS-All/)
- [`RxJS-Time`](http://www.nuget.org/packages/RxJS-Time/)
- [`RxJS-Lite`](http://www.nuget.org/packages/RxJS-Lite/)
Unit Tests:
- [`/tests/observable/bufferwithtime.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/tests/observable/bufferwithtime.js)
|
