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Functional Reactive Programming (FRP) with Bacon.js - example 2 - JS Bin source: http://jsbin.com/funaqocoso
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| <script src="https://code.jquery.com/jquery-2.1.3.min.js"></script> | |
| <script src="https://rawgit.com/baconjs/bacon.js/master/dist/Bacon.js"></script> | |
| <style id="jsbin-css"> | |
| button, textarea { | |
| display: block; | |
| margin: 10px; | |
| width: 200px | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <button id="enable">Enable</button> | |
| <button id="disable">Disable</button> | |
| <textarea id="target"></textarea> | |
| <script id="jsbin-javascript"> | |
| function getRandomIntInclusive(min, max) { | |
| return Math.floor(Math.random() * (max - min + 1)) + min; | |
| } | |
| var enableClicks = $("#enable").asEventStream("click"); | |
| var disableClicks = $("#disable").asEventStream("click"); | |
| // Use .map to create a stream with more sensible values than jquery events | |
| var enableStream = enableClicks.map(function(x) {return getRandomIntInclusive(1,10);}); | |
| var disableStream = disableClicks.map(function(x) {return getRandomIntInclusive(1000,10000);}); | |
| // Use .merge to join the two streams together | |
| var combinedStream = enableStream.merge(disableStream); | |
| // Use .onValue to enable or disable the | |
| // textarea | |
| combinedStream.onValue(function(x) { | |
| console.log("number from result stream:", x); | |
| if (x>10) | |
| $("#target").prop( "disabled", true ); | |
| }); | |
| </script> | |
| <script id="jsbin-source-css" type="text/css">button, textarea { | |
| display: block; | |
| margin: 10px; | |
| width: 200px | |
| }</script> | |
| <script id="jsbin-source-javascript" type="text/javascript">function getRandomIntInclusive(min, max) { | |
| return Math.floor(Math.random() * (max - min + 1)) + min; | |
| } | |
| var enableClicks = $("#enable").asEventStream("click"); | |
| var disableClicks = $("#disable").asEventStream("click"); | |
| // Use .map to create a stream with more sensible values than jquery events | |
| var enableStream = enableClicks.map(function(x) {return getRandomIntInclusive(1,10);}); | |
| var disableStream = disableClicks.map(function(x) {return getRandomIntInclusive(1000,10000);}); | |
| // Use .merge to join the two streams together | |
| var combinedStream = enableStream.merge(disableStream); | |
| // Use .onValue to enable or disable the | |
| // textarea | |
| combinedStream.onValue(function(x) { | |
| console.log("number from result stream:", x); | |
| if (x>10) | |
| $("#target").prop( "disabled", true ); | |
| });</script></body> | |
| </html> |
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| button, textarea { | |
| display: block; | |
| margin: 10px; | |
| width: 200px | |
| } |
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| function getRandomIntInclusive(min, max) { | |
| return Math.floor(Math.random() * (max - min + 1)) + min; | |
| } | |
| var enableClicks = $("#enable").asEventStream("click"); | |
| var disableClicks = $("#disable").asEventStream("click"); | |
| // Use .map to create a stream with more sensible values than jquery events | |
| var enableStream = enableClicks.map(function(x) {return getRandomIntInclusive(1,10);}); | |
| var disableStream = disableClicks.map(function(x) {return getRandomIntInclusive(1000,10000);}); | |
| // Use .merge to join the two streams together | |
| var combinedStream = enableStream.merge(disableStream); | |
| // Use .onValue to enable or disable the | |
| // textarea | |
| combinedStream.onValue(function(x) { | |
| console.log("number from result stream:", x); | |
| if (x>10) | |
| $("#target").prop( "disabled", true ); | |
| }); |
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Functional Reactive Programming (FRP) with Bacon.js - example 1