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  1. 給開發者的網頁技術文件
  2. Web APIs
  3. Performance
  4. Performance.timing
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Table of contents

  • 摘要
  • 語法
  • 規格
  • 瀏覽器支援狀況
  • 參照

Performance.timing

摘要

Performance.timing 是唯讀的屬性,傳回的 PerformanceTiming (en-US) 物件當中包含了效能與時間延遲相關的資訊。

語法

timingInfo = performance.timing;

規格

規格 狀態 備註
Navigation Timing
The definition of 'Performance.timing' in that specification.
Recommendation 初步定義

瀏覽器支援狀況

BCD tables only load in the browser

參照

  • 屬於 Performance 界面的一部份

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Last modified: Apr 9, 2021, by MDN contributors

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Related Topics

  1. Performance
  2. Properties
    1. This deprecated API should no longer be used, but will probably still work. navigation
    2. onresourcetimingbufferfull
    3. This is an experimental API that should not be used in production code. timeOrigin
    4. This deprecated API should no longer be used, but will probably still work. timing
  3. Methods
    1. clearMarks()
    2. clearMeasures()
    3. clearResourceTimings()
    4. getEntries()
    5. getEntriesByName()
    6. getEntriesByType()
    7. mark()
    8. measure()
    9. now()
    10. setResourceTimingBufferSize()
    11. toJSON()
  4. Events
    1. resourcetimingbufferfull
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