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Showing content from https://reactivex.io/documentation/operators/all.html below:

ReactiveX - All operator

RxJS implements this operator as every. The following example shows how to use this operator:

var source = Rx.Observable.of(1,2,3,4,5)
  .every(function (x) {
    return x < 6;
  });

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

Next: true
Completed

every is found in the following distributions:

• rx.all.js
• rx.all.compat.js
• rx.aggregates.js

It requires one of the following distributions:

• rx.js
• rx.compat.js
• rx.lite.js
• rx.lite.compat.js

There is also a jortSort operator that performs a test on the entire sequence of items emitted by the source Observable. If those items are emitted in sorted order, upon the successful completion of the source Observable, the Observable returned from jortSort will emit true and then complete. If any of the items emitted by the source Observable is out of sort order, upon the successful completion of the source Observable, the Observable returned from jortSort will emit false and then complete.

There is also a jortSortUntil operator. It does not wait until the source Observable completes to evaluate its sequence for sortedness, as jortSort does, but waits until a second Observable emits an item to do so.

• jort.technology

var source = Rx.Observable.of(1,2,3,4) // already sorted
               .jortSort();

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

var source = Rx.Observable.of(3,1,2,4) // not sorted
               .jortSort();

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

var just = Rx.helpers.just;

var source = Rx.Observable.of(1,2,3,4) // already sorted
               .flatmap(function (x) {
                 return Rx.Observable.timer(1000).map(just(x));
               }).jortSortUntil(Rx.Observable.timer(3000);

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

var just = Rx.helpers.just;

var source = Rx.Observable.of(3,1,2,4) // not sorted
               .flatmap(function (x) {
                 return Rx.Observable.timer(1000).map(just(x));
               }).jortSortUntil(Rx.Observable.timer(3000);

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

jortSort and jortSortUntil are found in the following distribution:

• rx.sorting.js

They require one of the following distributions:

• rx.js
• rx.compat.js
• rx.lite.js
• rx.lite.compat.js

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