performanceEntry.kind

版本历史

版本	变更
v16.0.0	运行时已弃用。当 entryType 为 'gc' 时，则现在移到了详情属性。
v8.5.0	新增于: v8.5.0

<number>

此属性是 Node.js 的扩展。它在 Web 浏览器中不可用。

当 performanceEntry.entryType 等于 'gc' 时，则 performance.kind 属性标识发生的垃圾收集操作的类型。该值可能是以下之一：

perf_hooks.constants.NODE_PERFORMANCE_GC_MAJOR
perf_hooks.constants.NODE_PERFORMANCE_GC_MINOR
perf_hooks.constants.NODE_PERFORMANCE_GC_INCREMENTAL
perf_hooks.constants.NODE_PERFORMANCE_GC_WEAKCB

History

Version	Changes
v16.0.0	Runtime deprecated. Now moved to the detail property when entryType is 'gc'.
v8.5.0	Added in: v8.5.0

<number>

This property is an extension by Node.js. It is not available in Web browsers.

When performanceEntry.entryType is equal to 'gc', the performance.kind property identifies the type of garbage collection operation that occurred. The value may be one of:

perf_hooks.constants.NODE_PERFORMANCE_GC_MAJOR
perf_hooks.constants.NODE_PERFORMANCE_GC_MINOR
perf_hooks.constants.NODE_PERFORMANCE_GC_INCREMENTAL
perf_hooks.constants.NODE_PERFORMANCE_GC_WEAKCB