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January 27, 2016 12:25
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Copy__writingのフォロワー数を、5秒に1回スクレイピング
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| <!-- | |
| [Copy__writingのフォロワー数を、5秒に1回スクレイピング](https://gist.github.com/koron/974c9d77b541c35b0af4) | |
| をみて、ウチも実装してみたいってことでJavaScriptで実装してみた | |
| --> | |
| <!doctype html> | |
| <html lang="ja"> | |
| <head> | |
| <title>Copy__writing</title> | |
| </head> | |
| <body> | |
| <div id="app"></div> | |
| <script src="https://code.jquery.com/jquery-2.2.0.min.js"></script> | |
| <script src="jquery.xdomainajax.js"></script> | |
| <script> | |
| uri = 'https://twitter.com/Copy__writing'; | |
| var getDate = () => { | |
| now = new Date(); | |
| year = "" + now.getFullYear(); | |
| month = "" + (now.getMonth() + 1); if (month.length == 1) { month = "0" + month; } | |
| day = "" + now.getDate(); if (day.length == 1) { day = "0" + day; } | |
| hour = "" + now.getHours(); if (hour.length == 1) { hour = "0" + hour; } | |
| minute = "" + now.getMinutes(); if (minute.length == 1) { minute = "0" + minute; } | |
| second = "" + now.getSeconds(); if (second.length == 1) { second = "0" + second; } | |
| return year + "-" + month + "-" + day + " " + hour + ":" + minute + ":" + second; | |
| } | |
| setInterval(() => { | |
| $.get(uri, (data) => { | |
| $('#app').prepend(getDate() + ' : ' + data.responseText.match(/title="([0-9,]+) Followers"/)[1] + ' Forrows<br>'); | |
| }); | |
| }, 5000); | |
| </script> | |
| </body> | |
| </html> |
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| /** | |
| * jQuery.ajax mid - CROSS DOMAIN AJAX | |
| * --- | |
| * @author James Padolsey (http://james.padolsey.com) | |
| * @version 0.11 | |
| * @updated 12-JAN-10 | |
| * --- | |
| * Note: Read the README! | |
| * --- | |
| * @info http://james.padolsey.com/javascript/cross-domain-requests-with-jquery/ | |
| */ | |
| jQuery.ajax = (function(_ajax){ | |
| var protocol = location.protocol, | |
| hostname = location.hostname, | |
| exRegex = RegExp(protocol + '//' + hostname), | |
| YQL = 'http' + (/^https/.test(protocol)?'s':'') + '://query.yahooapis.com/v1/public/yql?callback=?', | |
| query = 'select * from html where url="{URL}" and xpath="*"'; | |
| function isExternal(url) { | |
| return !exRegex.test(url) && /:\/\//.test(url); | |
| } | |
| return function(o) { | |
| var url = o.url; | |
| if ( /get/i.test(o.type) && !/json/i.test(o.dataType) && isExternal(url) ) { | |
| // Manipulate options so that JSONP-x request is made to YQL | |
| o.url = YQL; | |
| o.dataType = 'json'; | |
| o.data = { | |
| q: query.replace( | |
| '{URL}', | |
| url + (o.data ? | |
| (/\?/.test(url) ? '&' : '?') + jQuery.param(o.data) | |
| : '') | |
| ), | |
| format: 'xml' | |
| }; | |
| // Since it's a JSONP request | |
| // complete === success | |
| if (!o.success && o.complete) { | |
| o.success = o.complete; | |
| delete o.complete; | |
| } | |
| o.success = (function(_success){ | |
| return function(data) { | |
| if (_success) { | |
| // Fake XHR callback. | |
| _success.call(this, { | |
| responseText: (data.results[0] || '') | |
| // YQL screws with <script>s | |
| // Get rid of them | |
| .replace(/<script[^>]+?\/>|<script(.|\s)*?\/script>/gi, '') | |
| }, 'success'); | |
| } | |
| }; | |
| })(o.success); | |
| } | |
| return _ajax.apply(this, arguments); | |
| }; | |
| })(jQuery.ajax); |
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