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<html><head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width"> <title>combineLatest</title> <script src="https://npmcdn.com/@reactivex/rxjs@5.0.0-beta.3/dist/global/Rx.umd.js"></script></head><body><div> <button id='red'>Red</button> <button id='black'>Black</button></div> <div>Red: <span id="redTotal"></span></div><div>Black: <span id="blackTotal"></span></div> <div>Total: <span id="total"></span></div></body></html>const setHtml = id => val => document.getElementById(id).innerHTML = val;const addOneClick$ = id => Rx.Observable .fromEvent(document.getElementById(id), 'click') .mapTo(1) .startWith(0) .scan((acc, curr) => acc + curr, 0) .do(setHtml(`${id}Total`)) const combineTotal$ = Rx.Observable .combineLatest( addOneClick$('red'), addOneClick$('black') ) .map(([val1, val2]) => val1 + val2) .subscribe(setHtml('total'))
Output
300px
300px
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Keyboard Shortcuts
| Shortcut | Action |
|---|---|
| ctrl + [num] | Toggle nth panel |
| ctrl + 0 | Close focused panel |
| ctrl + enter | Re-render output. If console visible: run JS in console |
| Ctrl + l | Clear the console |
| ctrl + / | Toggle comment on selected lines |
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Complete list of JS Bin shortcuts | |
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|---|---|
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