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(Empty) | |
| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
| 5 </head> |
| 6 <body> |
| 7 <span id='requestButton'> |
| 8 Make a request |
| 9 </span> |
| 10 <a id="link" target="_blank" href="empty.html">Link to empty.html</a> |
| 11 |
| 12 <p>Successes: |
| 13 <div id="successes"> |
| 14 </div> |
| 15 |
| 16 <p>Failures: |
| 17 <div id="failures"> |
| 18 </div> |
| 19 <script type="text/javascript"> |
| 20 var eventListener = function(evt) { |
| 21 if( evt == 'success'){ |
| 22 document.getElementById("successes").innerHTML = ++successes; |
| 23 } else if( evt == 'failure') { |
| 24 document.getElementById("failures").innerHTML = ++failures; |
| 25 } |
| 26 }; |
| 27 |
| 28 var s = document.getElementById('successes'); |
| 29 var f = document.getElementById('failures'); |
| 30 |
| 31 s.addEventListener('click', function() { eventListener('success') }); |
| 32 f.addEventListener('click', function() { eventListener('failure') }); |
| 33 |
| 34 var httpRequest; |
| 35 document.getElementById('requestButton').addEventListener('click', repeatL
oadPage); |
| 36 |
| 37 function makeRequest() { |
| 38 httpRequest = new XMLHttpRequest(); |
| 39 url = window.location.protocol + "//" + window.location.host + "/hellowo
rld"; |
| 40 httpRequest.onreadystatechange = alertContents; |
| 41 httpRequest.open("GET", url); |
| 42 httpRequest.send(); |
| 43 } |
| 44 |
| 45 var successes = 0; |
| 46 var failures = 0; |
| 47 |
| 48 function alertContents() { |
| 49 if (httpRequest.readyState == 4) { |
| 50 if (httpRequest.status == 200) { |
| 51 document.getElementById("successes").click(); |
| 52 successes++; |
| 53 } else { |
| 54 document.getElementById("failures").click(); |
| 55 failures++; |
| 56 } |
| 57 } |
| 58 } |
| 59 |
| 60 function repeatLoadPage() { |
| 61 setInterval(makeRequest, 300); |
| 62 } |
| 63 </script> |
| 64 </body> |
| 65 </html> |
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