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Functional Reactive Programming (FRP) with Bacon.js - example 1 - JS Bin source: http://jsbin.com/tebihizuke (slides here: http://ollimahlamaki.fi/baconjs-hubchat-tech-and-beer/#/1)
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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> | |
| </head> | |
| <body> | |
| <script id="jsbin-javascript"> | |
| // Bacon.sequentially gives the values in the array with a delay | |
| // specified by the first parameter in ms | |
| var originalStream = Bacon.sequentially(100, [1, -6, -24, 666]) | |
| originalStream.log("Original") | |
| // Create a stream with every number increased by 20 | |
| var increasedStream = originalStream.map(function(x) {return x*20}) | |
| increasedStream.log("Increased") | |
| // Create a stream with only the positive numbers of originalStream | |
| var positiveStream = originalStream.filter(function(x) {if (x>0) return x}) | |
| positiveStream.log("Positive") | |
| // Create a stream which tell if the numbers in originalStream are positive (true) or negative(false) | |
| var signStream = originalStream.map(function(x) {x>0}) | |
| signStream.log("Sign") | |
| // Combine .map and .filter to make your own streams | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">// Bacon.sequentially gives the values in the array with a delay | |
| // specified by the first parameter in ms | |
| var originalStream = Bacon.sequentially(100, [1, -6, -24, 666]) | |
| originalStream.log("Original") | |
| // Create a stream with every number increased by 20 | |
| var increasedStream = originalStream.map(function(x) {return x*20}) | |
| increasedStream.log("Increased") | |
| // Create a stream with only the positive numbers of originalStream | |
| var positiveStream = originalStream.filter(function(x) {if (x>0) return x}) | |
| positiveStream.log("Positive") | |
| // Create a stream which tell if the numbers in originalStream are positive (true) or negative(false) | |
| var signStream = originalStream.map(function(x) {x>0}) | |
| signStream.log("Sign") | |
| // Combine .map and .filter to make your own streams</script></body> | |
| </html> |
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| // Bacon.sequentially gives the values in the array with a delay | |
| // specified by the first parameter in ms | |
| var originalStream = Bacon.sequentially(100, [1, -6, -24, 666]) | |
| originalStream.log("Original") | |
| // Create a stream with every number increased by 20 | |
| var increasedStream = originalStream.map(function(x) {return x*20}) | |
| increasedStream.log("Increased") | |
| // Create a stream with only the positive numbers of originalStream | |
| var positiveStream = originalStream.filter(function(x) {if (x>0) return x}) | |
| positiveStream.log("Positive") | |
| // Create a stream which tell if the numbers in originalStream are positive (true) or negative(false) | |
| var signStream = originalStream.map(function(x) {x>0}) | |
| signStream.log("Sign") | |
| // Combine .map and .filter to make your own streams |
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Functional Reactive Programming (FRP) with Bacon.js - example 0