File: worker_with_images.js

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file content (22 lines) | stat: -rw-r--r-- 461 bytes parent folder | download | duplicates (33) 
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let numComplete = 0;

function checkDone() {
  ++numComplete;
  if (numComplete == 2) {
    const numEntries = performance.getEntries().length;
    postMessage(numEntries);
  }
}

function makeRequest(request) {
  var xhr = new XMLHttpRequest;
  xhr.open('get', request, true);
  xhr.onreadystatechange = function() {
    if (xhr.readyState == 4) {
      checkDone();
    }
  }
  xhr.send();
}
makeRequest('blue.png');
makeRequest('resource_timing_test0.png');