DHTML: performanceオブジェクト  編集:2021.08.19 by T.A.

window.performance= /[Edge]
=[object]:[object Performance]

timeOrigin=[number]:1629377728038.7

onresourcetimingbufferfull=[object]:null

clearMarks=[function]:function clearMarks() { [native code] }

clearMeasures=[function]:function clearMeasures() { [native code] }

clearResourceTimings=[function]:function clearResourceTimings() { [native code] }

getEntries=[function]:function getEntries() { [native code] }

getEntriesByName=[function]:function getEntriesByName() { [native code] }

getEntriesByType=[function]:function getEntriesByType() { [native code] }

mark=[function]:function mark() { [native code] }

measure=[function]:function measure() { [native code] }

now=[function]:function now() { [native code] }

setResourceTimingBufferSize=[function]:function setResourceTimingBufferSize() { [native code] }

toJSON=[function]:function toJSON() { [native code] }

eventCounts=[object]:[object EventCounts]

timing=[object]:[object PerformanceTiming]

navigation=[object]:[object PerformanceNavigation]

memory=[object]:[object MemoryInfo]

addEventListener=[function]:function addEventListener() { [native code] }

dispatchEvent=[function]:function dispatchEvent() { [native code] }

removeEventListener=[function]:function removeEventListener() { [native code] }

window.performance.navigation= /[Edge]

type[number]=2

redirectCount[number]=0

TYPE_NAVIGATE[number]=0

TYPE_RELOAD[number]=1

TYPE_BACK_FORWARD[number]=2

TYPE_RESERVED[number]=255

toJSON[function]=function toJSON() { [native code] }


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