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This is RxJS v 4. Find the latest version here

Rx.Observable.prototype.take(count, [scheduler])

Returns a specified number of contiguous elements from the start of an observable sequence, using the specified scheduler for the edge case of take(0).

Arguments

  1. count (Number): The number of elements to return.
  2. [scheduler] (Scheduler): Scheduler used to produce an onCompleted message in case count is set to 0.

Returns

(Observable): An observable sequence that contains the elements before and including the specified index in the input sequence.

Example

var source = Rx.Observable.range(0, 5)
    .take(3);

var subscription = source.subscribe(
    function (x) {
        console.log('Next: ' + x);
    },
    function (err) {
        console.log('Error: ' + err);
    },
    function () {
        console.log('Completed');
    });

// => Next: 0
// => Next: 1
// => Next: 2
// => Completed

Location

File:

Dist:

Prerequisites:

  • None

NPM Packages:

NuGet Packages:

Unit Tests:

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