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var log = [];
var resolvedPromise = Promise.resolve(null);
function schedulePromiseTask(f) {
resolvedPromise.then(f);
}
setTimeout(function () {
log.push("t1start");
schedulePromiseTask(function () {
log.push("promise");
});
log.push("t1end");
}, 10);
setTimeout(function () {
log.push("t2");
postMessage(log.join(", "));
}, 10);