[Reactive programming] RxJS Dynamic Behavior

Source: Internet
Author: User

This lesson helps your think in reactive programming by explaining why it's a beneficial paradigm for programming. See how reactive programming helps you understand the dynamic behavior of a value evolving over time.

It allows specify the dynamic behavior of a value completely at the time of declaration.

console.clear ();varA = 3;varb = A * 10; Console.log (b);//Then if you want to the change ' a ' and wants ' B ' change accordingly//You need to declare B againvarA = 4; b= A * 10; Console.log (b); Console.log ("Reactive progarmming");//You need to declare all the dynamic behavior at first//Here for example you need to change A to 4 or 5varStreama = Rx.Observable.of (3, 4, 5);varStreamb = Streama.map ((a) = = {  returnA * 10;}); Streamb.subscribe (function(b) {console.log (b);});

[Reactive programming] RxJS Dynamic Behavior

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