Created
April 2, 2016 08:32
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JS Bin // source http://jsbin.com/jebaxa
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/rxjs/4.1.0/rx.all.compat.js"></script> | |
| </head> | |
| <body> | |
| <h2>Counter: <span id="counter"></span></h2> | |
| <button onclick="increment$.onNext()">Increment</button> | |
| <button onclick="decrement$.onNext()">Decrement</button> | |
| <script id="jsbin-javascript"> | |
| "use strict"; | |
| function projectIncrement() { | |
| return function (state) { | |
| return Object.assign({}, state, { | |
| count: state.count + 1 | |
| }); | |
| }; | |
| } | |
| function projectDecrement() { | |
| return function (state) { | |
| return Object.assign({}, state, { | |
| count: state.count - 1 | |
| }); | |
| }; | |
| } | |
| var initState = { count: 0 }; | |
| var increment$ = new Rx.Subject(); | |
| var decrement$ = new Rx.Subject(); | |
| var state$ = Rx.Observable.merge(increment$.map(projectIncrement), decrement$.map(projectDecrement)).startWith(initState).scan(function (state, project) { | |
| console.log('inc1', state, project); | |
| return project(state); | |
| }); | |
| state$.subscribe(function (state) { | |
| var counter = document.getElementById("counter"); | |
| counter.innerHTML = state.count; | |
| }); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">function projectIncrement() { | |
| return function(state) { | |
| return Object.assign({}, state, { | |
| count: state.count + 1 | |
| }); | |
| }; | |
| } | |
| function projectDecrement() { | |
| return function (state) { | |
| return Object.assign({}, state, { | |
| count: state.count - 1 | |
| }); | |
| }; | |
| } | |
| const initState = {count: 0}; | |
| const increment$ = new Rx.Subject(); | |
| const decrement$ = new Rx.Subject(); | |
| const state$ = Rx.Observable | |
| .merge( | |
| increment$.map(projectIncrement), | |
| decrement$.map(projectDecrement) | |
| ) | |
| .startWith(initState) | |
| .scan(function (state, project) { | |
| console.log('inc1', state, project); | |
| return project(state); | |
| }); | |
| state$.subscribe((state) => { | |
| const counter = document.getElementById("counter"); | |
| counter.innerHTML = state.count; | |
| });</script></body> | |
| </html> |
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Learn more about bidirectional Unicode characters
| "use strict"; | |
| function projectIncrement() { | |
| return function (state) { | |
| return Object.assign({}, state, { | |
| count: state.count + 1 | |
| }); | |
| }; | |
| } | |
| function projectDecrement() { | |
| return function (state) { | |
| return Object.assign({}, state, { | |
| count: state.count - 1 | |
| }); | |
| }; | |
| } | |
| var initState = { count: 0 }; | |
| var increment$ = new Rx.Subject(); | |
| var decrement$ = new Rx.Subject(); | |
| var state$ = Rx.Observable.merge(increment$.map(projectIncrement), decrement$.map(projectDecrement)).startWith(initState).scan(function (state, project) { | |
| console.log('inc1', state, project); | |
| return project(state); | |
| }); | |
| state$.subscribe(function (state) { | |
| var counter = document.getElementById("counter"); | |
| counter.innerHTML = state.count; | |
| }); |
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