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How to use test_frame_timing_before_load_event method in wpt

Best JavaScript code snippet using wpt

frame-timing.js

Source:frame-timing.js

1function test_frame_timing_before_load_event(type) {2    promise_test(async t => {3        const {document, performance} = type === 'frame' ? window.parent : window;4        const delay = 500;5        const frame = document.createElement(type);6        t.add_cleanup(() => frame.remove());7        await new Promise(resolve => {8            frame.addEventListener('load', resolve);9            frame.src = `resources/iframe-with-delay.sub.html?delay=${delay}`;10            (type === 'frame' ? document.querySelector('frameset') : document.body).appendChild(frame);11        });12        const entries = performance.getEntriesByName(frame.src);13        const navigationEntry = frame.contentWindow.performance.getEntriesByType('navigation')[0];14        assert_equals(entries.length, 1);15        assert_equals(entries[0].initiatorType, type);...

Using AI Code Generation

1var wptb = window.wptb || {};2wptb.test_frame_timing_before_load_event = function() {3  try {4    var frame = document.getElementById('frame');5    if (frame) {6      var frameDoc = frame.contentWindow.document;7      if (frameDoc) {8        var frameBody = frameDoc.body;9        if (frameBody) {10          var frameDiv = frameBody.querySelector('div');11          if (frameDiv) {12            var frameDivText = frameDiv.textContent;13            if (frameDivText) {14              var frameDivTextNum = parseInt(frameDivText);15              if (frameDivTextNum) {16                return frameDivTextNum;17              }18            }19          }20        }21      }22    }23  } catch(e) {24    console.log(e);25  }26  return 0;27};

Using AI Code Generation

1function test_frame_timing_before_load_event() {2  var frame = document.createElement('iframe');3  frame.src = 'data:text/html,<html><head><script>var start = performance.now();</script></head><body>test</body></html>';4  frame.onload = function() {5    var end = performance.now();6    var duration = end - start;7    if (duration > 1000) {8      document.write('FAIL: Frame load event should be fired before 1000ms');9    } else {10      document.write('PASS');11    }12  };13  document.body.appendChild(frame);14}15function test_frame_timing_after_load_event() {16  var frame = document.createElement('iframe');17  frame.src = 'data:text/html,<html><head><script>var start = performance.now();</script></head><body>test</body></html>';18  frame.onload = function() {19    var end = performance.now();20    var duration = end - start;21    if (duration > 1000) {22      document.write('FAIL: Frame load event should be fired before 1000ms');23    } else {24      document.write('PASS');25    }26  };27  document.body.appendChild(frame);28}29function test_frame_timing_after_load_event() {30  var frame = document.createElement('iframe');31  frame.src = 'data:text/html,<html><head><script>var start = performance.now();</script></head><body>test</body></html>';32  frame.onload = function() {33    var end = performance.now();34    var duration = end - start;35    if (duration > 1000) {36      document.write('FAIL: Frame load event should be fired before 1000ms');37    } else {38      document.write('PASS');39    }40  };41  document.body.appendChild(frame);42}43function test_frame_timing_after_load_event() {44  var frame = document.createElement('iframe');45  frame.src = 'data:text/html,<html><head><script>var start = performance.now();</script></head><body>test</body></html>';46  frame.onload = function() {47    var end = performance.now();

Using AI Code Generation

1function test_frame_timing_before_load_event() {2  var performance = window.performance;3  var timing = performance.timing;4  var navigationStart = timing.navigationStart;5  var loadEventStart = timing.loadEventStart;6  var loadEventEnd = timing.loadEventEnd;7  var frameTiming = performance.frameTimingBeforeLoadEvent;8  var frameTimingLength = frameTiming.length;9  var frameTimingStart = frameTiming[0].startTime;10  var frameTimingEnd = frameTiming[0].endTime;11  var frameTimingDuration = frameTiming[0].duration;12  var frameTimingType = frameTiming[0].type;13  var frameTimingParent = frameTiming[0].parent;14  var frameTimingName = frameTiming[0].name;15  var frameTimingUrl = frameTiming[0].url;16  var frameTimingProcessId = frameTiming[0].processId;17  var frameTimingFrameId = frameTiming[0].frameId;18  var frameTimingFrameTreeNodeId = frameTiming[0].frameTreeNodeId;19  var frameTimingFrameNodeId = frameTiming[0].frameNodeId;20  var frameTimingPaintTime = frameTiming[0].paintTime;21  var frameTimingDecodeTime = frameTiming[0].decodeTime;

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