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→Observables (aka Reactive Programming)
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=== Observables (aka Reactive Programming) === | === Observables (aka Reactive Programming) === | ||
* Promises emit single values, and streams emit multiple values | |||
** callbacks -> promises | |||
* code subscribes to be notified of changes and streams "push" data to these subscribers | |||
* RxJS is functional -- functional operators are applied like for arrays | |||
* streams are composable -- they are like a pipeline of operations over your data | |||
=== Ways to get data into the application === | === Ways to get data into the application === | ||