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|---|
| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <head> |
| 3 <link rel=author title="Aleks Totic" href="mailto:atotic@chromium.org"> |
| 4 <link rel=help href="https://html.spec.whatwg.org/#clean-up-after-running-script
"> |
| 5 <script src="/resources/testharness.js"></script> |
| 6 <script src="/resources/testharnessreport.js"></script> |
| 7 <script src="resources/common.js"></script> |
| 8 </head> |
| 9 <body style="height:2000px;"> |
| 10 <script> |
| 11 /* |
| 12 promise 1, promise 2 execute immediately after rAF |
| 13 promise 1 child executes immediately after promise 2. |
| 14 |
| 15 Relevant specs: |
| 16 |
| 17 https://html.spec.whatwg.org/#clean-up-after-running-script |
| 18 If the JavaScript execution context stack is now empty, perform a microtask chec
kpoint. |
| 19 |
| 20 https://html.spec.whatwg.org/#perform-a-microtask-checkpoint |
| 21 "perform a microtask checkpoint" runs in a loop until all microtasks have been d
elivered. |
| 22 */ |
| 23 |
| 24 var test = async_test("Microtask execute immediately after script"); |
| 25 |
| 26 window.requestAnimationFrame( function() { |
| 27 var events = []; |
| 28 |
| 29 Promise.resolve() |
| 30 .then(function() { |
| 31 events.push("promise 1"); |
| 32 return Promise.resolve(); |
| 33 }) |
| 34 .then(function() { |
| 35 test.step(function() { |
| 36 events.push("promise 1 child"); |
| 37 assert_array_equals(events, ["promise 1", "promise 2", "promise 1 ch
ild"]); |
| 38 test.done(); |
| 39 }); |
| 40 }); |
| 41 Promise.resolve() |
| 42 .then(function() { |
| 43 events.push("promise 2"); |
| 44 }); |
| 45 |
| 46 // Set up events that must be executed after Promise. |
| 47 window.setTimeout(function() { |
| 48 events.push('timeout'); |
| 49 }, 0); |
| 50 window.addEventListener('scroll', function() { |
| 51 events.push('scroll'); |
| 52 }); |
| 53 window.scrollBy(0,10); |
| 54 |
| 55 }); |
| 56 </script> |
| 57 </body> |
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Chromium Code Reviews
Issue 2303013002:
Add UMA metric to track usage of sending a mousedown to select elements. (Closed)
