Created
May 5, 2014 15:58
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Lazy.js jQuery Event Stream
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| window.addEventListener('load', function() { | |
| // This 'createWrapper' method is super weird and awkward and I'm not proud of | |
| // it at all. But right now it's the only option for defining custom sequence | |
| // types that wrap arbitrary sources. In a future version I will come up with | |
| // something much better, swear to God. | |
| var jqueryWrapper = Lazy.createWrapper(function(selector, eventName) { | |
| var source = this; | |
| $(selector).on(eventName, function(e) { | |
| source.emit(e); | |
| }); | |
| }); | |
| jqueryWrapper('#click-source', 'click') | |
| .map(function(e) { return [e.clientX, e.clientY]; }) | |
| .each(function(pos) { | |
| $('#click-position').text('Clicked at ' + pos.join(', ')); | |
| }); | |
| }); |
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| <html> | |
| <head> | |
| <title>Lazy.js FRP Example</title> | |
| <link rel="stylesheet" type="text/css" href="style.css" /> | |
| <script src="https://rawgit.com/dtao/lazy.js/master/lazy.js"></script> | |
| <script src="https://rawgit.com/dtao/lazy.js/master/lazy.browser.js"></script> | |
| <script src="//code.jquery.com/jquery-1.11.0.min.js"></script> | |
| <script src="frp.example.js"></script> | |
| </head> | |
| <body> | |
| <div id="click-source"> | |
| <p>Click anywhere in here.</p> | |
| <div id="click-position"></div> | |
| </div> | |
| </body> | |
| </html> |
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| html, body { height: 100% ;} | |
| #click-source { | |
| position: relative; | |
| top: 50%; | |
| height: 400px; | |
| margin-top: -200px; | |
| background-color: #eee; | |
| cursor: pointer; | |
| } | |
| #click-source p { | |
| position: relative; | |
| top: 50%; | |
| margin-top: -12px; | |
| line-height: 24px; | |
| font-size: 20px; | |
| text-align: center; | |
| } | |
| #click-position { | |
| position: absolute; | |
| bottom: 10px; | |
| right: 10px; | |
| } |
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