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    PerformanceTiming

    PerformanceTiming 接口包含了当前页面中与时间相关的信息.

    Performance.timing 只读属性会返回这样的一个对象.

    属性

    Performance 接口不包含任何继承属性.

    PerformanceTiming.navigationStart 只读
    Is an unsigned long long representing the moment, in miliseconds since the UNIX epoch, right after the prompt for unload terminated on the previous document in the same browsing context. If there is no previous document, this value will be the same as PerformanceTiming.fetchStart.
    PerformanceTiming.unloadEventStart 只读
    Is an unsigned long long representing
    PerformanceTiming.unloadEventEnd 只读
    Is an unsigned long long representing
    PerformanceTiming.redirectStart 只读
    Is an unsigned long long representing
    PerformanceTiming.redirectEnd 只读
    Is an unsigned long long representing
    PerformanceTiming.fetchStart 只读
    Is an unsigned long long representing
    PerformanceTiming.domainLookupStart 只读
    Is an unsigned long long representing
    PerformanceTiming.domainLookupEnd 只读
    Is an unsigned long long representing
    PerformanceTiming.connectStart 只读
    Is an unsigned long long representing
    PerformanceTiming.connectEnd 只读
    Is an unsigned long long representing
    PerformanceTiming.secureConnectionStart 只读
    Is an unsigned long long representing
    PerformanceTiming.navigationStart 只读
    Is an unsigned long long representing
    PerformanceTiming.navigationStart 只读
    Is an unsigned long long representing
    PerformanceTiming.requestStart 只读
    Is an unsigned long long representing
    PerformanceTiming.responseStart 只读
    Is an unsigned long long representing
    PerformanceTiming.responseEnd 只读
    Is an unsigned long long representing
    PerformanceTiming.domLoading 只读
    Is an unsigned long long representing
    PerformanceTiming.domInteractive 只读
    Is an unsigned long long representing
    PerformanceTiming.domContentLoadedEventStart 只读
    Is an unsigned long long representing
    PerformanceTiming.domContentLoadedEventEnd 只读
    Is an unsigned long long representing
    PerformanceTiming.domComplete 只读
    Is an unsigned long long representing
    PerformanceTiming.loadEvenStart 只读
    Is an unsigned long long representing
    PerformanceTiming.loadEventEnd 只读
    Is an unsigned long long representing
     

    方法

    Performance 接口不包含任何方法.

    规范

    规范名称 规范状态 说明
    Navigation Timing
    PerformanceTiming
    Recommendation Initial definition.

    浏览器兼容性

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
    Basic support 6.0 7.0 (7.0) 9.0 15.0 未实现
    Feature Android Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile
    Basic support 未实现 7.0 (7.0) 1.0 (7.0) 9.0 15.0 未实现

    相关链接

    文档标签和贡献者

    此页面的贡献者有: ziyunfei, teoli
    最后编辑者: teoli,