Created
July 5, 2013 00:24
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Ajax reconnect testing on quic vs spdy3
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| <!DOCTYPE html> | |
| <html lang="ja"> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>Ajax GET Test</title> | |
| <script> | |
| window.addEventListener('DOMContentLoaded', function() { | |
| if (window.chrome.loadTimes().npnNegotiatedProtocol) { | |
| var protocol = document.getElementById("protocol"); | |
| protocol.innerHTML = window.chrome.loadTimes().npnNegotiatedProtocol; | |
| } | |
| var run = false; | |
| var max = 1000; | |
| var start; | |
| var time = document.getElementById("time"); | |
| var result = document.getElementById("result"); | |
| var start_button = document.getElementById("start"); | |
| var stop_button = document.getElementById("stop"); | |
| var tmout; | |
| start_button.addEventListener('click', function() { | |
| if (run) return; | |
| run = true; | |
| start = Date.now(); | |
| tmout = setInterval(function() { | |
| var now = Date.now(); | |
| time.innerText = (parseInt((now - start)/100)/10).toFixed(1) + "[sec]"; | |
| }, 100); | |
| getImage(0); | |
| }); | |
| stop_button.addEventListener('click', function() { | |
| if (!run) return; | |
| clearTimeout(tmout); | |
| run = false; | |
| }); | |
| function getImage(i) { | |
| if (!run || i === max) { | |
| clearTimeout(tmout); | |
| return; | |
| } | |
| var xhr = new XMLHttpRequest(); | |
| xhr.open("GET", "pics/" + i +".png", true); | |
| xhr.responseType = "blob"; | |
| xhr.onreadystatechange = function () { | |
| if (xhr.readyState == xhr.DONE) { | |
| var image = document.createElement("img"); | |
| image.addEventListener("load", function (e) { | |
| URL.revokeObjectURL(e.target.src); | |
| i++; | |
| getImage(i); | |
| }); | |
| image.src = URL.createObjectURL(xhr.response); | |
| while (result.hasChildNodes()) { | |
| result.removeChild(result.firstChild); | |
| } | |
| result.appendChild(image); | |
| } | |
| }; | |
| xhr.send(); | |
| } | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <button id="start">Start</button> : <button id="stop">Stop</button> : <span id="protocol"></span>: Time: <span id="time"></span><br> | |
| <div id="result"></div><br> | |
| </body> | |
| </html> |
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