Created
May 27, 2011 22:08
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Testing tweets with MyXHR
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| <html> | |
| <head> | |
| <style type="text/css"> | |
| p{ | |
| font-family: Helvetica; | |
| font-size: 24px; | |
| } | |
| </style> | |
| <script type="text/javascript"> | |
| var XHR = (function(){ | |
| var thisXHR = {}; | |
| var legacyIds = ['MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP']; | |
| thisXHR.request = function(config, callback){ | |
| var newRequest; | |
| if(typeof window.XMLHttpRequest !== "undefined"){ | |
| newRequest = new XMLHttpRequest(); | |
| } | |
| else{ | |
| for(var i =0; i < legacyIds.length; i++){ | |
| try{ | |
| newRequest = new ActiveXObject(ids[i]); | |
| break; | |
| } | |
| catch(e){} | |
| } | |
| } | |
| if(!newRequest){ | |
| throw new Error("Your browser does not support XHR"); | |
| } | |
| newRequest.onreadystatechange = function(){ | |
| if(newRequest.readyState < 4){ | |
| return; | |
| } | |
| if(newRequest.status !== 200){ | |
| config.onError(newRequest.responseText); | |
| return; | |
| } | |
| config.onOK(newRequest.responseText); | |
| }; | |
| newRequest.open(config.type, config.resource, true); | |
| newRequest.send(config.data); | |
| }; | |
| return thisXHR; | |
| })(); | |
| var getTweets = function(){ | |
| XHR.request({ | |
| type: "GET", | |
| resource: "http://api.twitter.com/1/statuses/public_timeline.json", | |
| data: "", | |
| onError: function(response){ | |
| console.log("Ooops!"); | |
| }, | |
| onOK: function(response){ | |
| var tweets = JSON.parse(response); | |
| var fragment = document.createDocumentFragment(); | |
| for(var i = tweets.length-1; i >=0 ; i--){ | |
| var tweet = document.createElement("p"); | |
| tweet.style.color = (i % 2) === 0 ? "black":"#736F6E"; | |
| tweet.appendChild(document.createTextNode(tweets[i].text)); | |
| tweet.appendChild(document.createElement("br")); | |
| fragment.appendChild(tweet); | |
| } | |
| var results = document.getElementById("results"); | |
| results.insertBefore(fragment.cloneNode(true), results.firstChild); | |
| }}); | |
| }; | |
| window.addEventListener("load", function(){ | |
| getTweets(); | |
| setInterval(function(){getTweets();}, 1000 * 10); | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <div id="results"> | |
| </div> | |
| </body> | |
| </html> |
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